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@smdn smdn released this 16 Jan 16:09
· 49 commits to main since this release
333d3a1

Released package

Release notes

The full release notes are available at gist.

Change log

Change log in this release:

API changes

API changes in this release:
diff --git a/doc/api-list/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa-net6.0.apilist.cs b/doc/api-list/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa-net6.0.apilist.cs
index 16144ee..a2ebbd2 100644
--- a/doc/api-list/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa-net6.0.apilist.cs
+++ b/doc/api-list/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa-net6.0.apilist.cs
@@ -1,234 +1,289 @@
-// Smdn.TPSmartHomeDevices.Kasa.dll (Smdn.TPSmartHomeDevices.Kasa-2.0.0-preview1)
+// Smdn.TPSmartHomeDevices.Kasa.dll (Smdn.TPSmartHomeDevices.Kasa-2.0.0-preview2)
 //   Name: Smdn.TPSmartHomeDevices.Kasa
 //   AssemblyVersion: 2.0.0.0
-//   InformationalVersion: 2.0.0-preview1+79057c306c2fede642a92b623a95cbb150e83873
+//   InformationalVersion: 2.0.0-preview2+d001e07a3ea43a47290d9e9d2f4d582e14caa297
 //   TargetFramework: .NETCoreApp,Version=v6.0
 //   Configuration: Release
 //   Referenced assemblies:
 //     Microsoft.Extensions.DependencyInjection.Abstractions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60
 //     Microsoft.Extensions.Logging.Abstractions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60
 //     Microsoft.Win32.Primitives, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
 //     Smdn.TPSmartHomeDevices.Primitives, Version=1.1.0.0, Culture=neutral
 //     System.Collections, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
 //     System.ComponentModel, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
 //     System.Memory, Version=6.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
 //     System.Net.NetworkInformation, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
 //     System.Net.Primitives, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
 //     System.Net.Sockets, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
 //     System.Runtime, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
 //     System.Text.Encodings.Web, Version=6.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
 //     System.Text.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
 #nullable enable annotations
 
 using System;
 using System.Buffers;
 using System.Diagnostics.CodeAnalysis;
 using System.Net;
 using System.Net.NetworkInformation;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Smdn.TPSmartHomeDevices;
 using Smdn.TPSmartHomeDevices.Kasa;
 using Smdn.TPSmartHomeDevices.Kasa.Protocol;
 
 namespace Smdn.TPSmartHomeDevices.Kasa {
   public class HS105 :
     KasaDevice,
-    ISmartPlug
+    ISmartDevice
   {
     public static HS105 Create<TAddress>(TAddress deviceAddress, IServiceProvider serviceProvider) where TAddress : notnull {}
 
     public HS105(IDeviceEndPoint deviceEndPoint, IServiceProvider? serviceProvider = null) {}
     public HS105(IPAddress ipAddress, IServiceProvider? serviceProvider = null) {}
     public HS105(PhysicalAddress macAddress, IServiceProvider serviceProvider) {}
     public HS105(string host, IServiceProvider? serviceProvider = null) {}
 
     public ValueTask<bool> GetOnOffStateAsync(CancellationToken cancellationToken = default) {}
     public ValueTask SetOnOffStateAsync(bool newOnOffState, CancellationToken cancellationToken = default) {}
+    async ValueTask<IDeviceInfo> ISmartDevice.GetDeviceInfoAsync(CancellationToken cancellationToken) {}
     public ValueTask TurnOffAsync(CancellationToken cancellationToken = default) {}
     public ValueTask TurnOnAsync(CancellationToken cancellationToken = default) {}
   }
 
   public class KL130 :
     KasaDevice,
     IMulticolorSmartLight
   {
     public static KL130 Create<TAddress>(TAddress deviceAddress, IServiceProvider serviceProvider) where TAddress : notnull {}
 
     public KL130(IDeviceEndPoint deviceEndPoint, IServiceProvider? serviceProvider = null) {}
     public KL130(IPAddress ipAddress, IServiceProvider? serviceProvider = null) {}
     public KL130(PhysicalAddress macAddress, IServiceProvider serviceProvider) {}
     public KL130(string host, IServiceProvider? serviceProvider = null) {}
 
     public ValueTask<KL130LightState> GetLightStateAsync(CancellationToken cancellationToken = default) {}
     public ValueTask<bool> GetOnOffStateAsync(CancellationToken cancellationToken = default) {}
     public ValueTask SetBrightnessAsync(int brightness, TimeSpan transitionPeriod = default, CancellationToken cancellationToken = default) {}
     public ValueTask SetColorAsync(int hue, int saturation, int? brightness = null, TimeSpan transitionPeriod = default, CancellationToken cancellationToken = default) {}
     public ValueTask SetColorTemperatureAsync(int colorTemperature, int? brightness = null, TimeSpan transitionPeriod = default, CancellationToken cancellationToken = default) {}
     public ValueTask SetOnOffStateAsync(bool newOnOffState, TimeSpan transitionPeriod = default, CancellationToken cancellationToken = default) {}
+    async ValueTask<IDeviceInfo> ISmartDevice.GetDeviceInfoAsync(CancellationToken cancellationToken) {}
     ValueTask ISmartDevice.SetOnOffStateAsync(bool newOnOffState, CancellationToken cancellationToken) {}
     public ValueTask TurnOffAsync(TimeSpan transitionPeriod = default, CancellationToken cancellationToken = default) {}
     public ValueTask TurnOnAsync(TimeSpan transitionPeriod = default, CancellationToken cancellationToken = default) {}
   }
 
   public class KasaDevice : IDisposable {
     protected readonly struct NullParameter {
     }
 
     protected static readonly JsonEncodedText MethodTextGetSysInfo; // = "get_sysinfo"
     protected static readonly JsonEncodedText ModuleTextSystem; // = "system"
 
     public static KasaDevice Create(IDeviceEndPoint deviceEndPoint, IServiceProvider? serviceProvider = null) {}
     public static KasaDevice Create(IPAddress ipAddress, IServiceProvider? serviceProvider = null) {}
     public static KasaDevice Create(PhysicalAddress macAddress, IServiceProvider serviceProvider) {}
     public static KasaDevice Create(string host, IServiceProvider? serviceProvider = null) {}
     public static KasaDevice Create<TAddress>(TAddress deviceAddress, IServiceProvider serviceProvider) where TAddress : notnull {}
 
     protected KasaDevice(IDeviceEndPoint deviceEndPoint, IServiceProvider? serviceProvider) {}
     protected KasaDevice(IPAddress ipAddress, IServiceProvider? serviceProvider) {}
     protected KasaDevice(PhysicalAddress macAddress, IServiceProvider serviceProvider) {}
     protected KasaDevice(string host, IServiceProvider? serviceProvider) {}
 
     public bool IsConnected { get; }
     [MemberNotNullWhen(false, "deviceEndPoint")]
     protected bool IsDisposed { [MemberNotNullWhen(false, "deviceEndPoint")] get; }
 
     protected virtual void Dispose(bool disposing) {}
     public void Dispose() {}
+    public ValueTask<KasaDeviceInfo?> GetDeviceInfoAsync(CancellationToken cancellationToken = default) {}
+    protected ValueTask<TSysInfo> GetSysInfoAsync<TSysInfo>(Func<JsonElement, TSysInfo> composeResult, CancellationToken cancellationToken = default) {}
     public ValueTask<EndPoint> ResolveEndPointAsync(CancellationToken cancellationToken = default) {}
     protected ValueTask SendRequestAsync<TMethodParameter>(JsonEncodedText module, JsonEncodedText method, TMethodParameter parameters, CancellationToken cancellationToken) {}
     protected ValueTask<TMethodResult> SendRequestAsync<TMethodParameter, TMethodResult>(JsonEncodedText module, JsonEncodedText method, TMethodParameter parameters, Func<JsonElement, TMethodResult> composeResult, CancellationToken cancellationToken) {}
     protected ValueTask<TMethodResult> SendRequestAsync<TMethodResult>(JsonEncodedText module, JsonEncodedText method, Func<JsonElement, TMethodResult> composeResult, CancellationToken cancellationToken) {}
     public override string? ToString() {}
   }
 
   public abstract class KasaDeviceExceptionHandler {
     internal protected static readonly KasaDeviceExceptionHandler Default; // = "Smdn.TPSmartHomeDevices.Kasa.KasaDeviceDefaultExceptionHandler"
 
     protected KasaDeviceExceptionHandler() {}
 
     public abstract KasaDeviceExceptionHandling DetermineHandling(KasaDevice device, Exception exception, int attempt, ILogger? logger);
   }
 
   public static class KasaDeviceExceptionHandlerServiceCollectionExtensions {
     public static IServiceCollection AddKasaDeviceExceptionHandler(this IServiceCollection services, KasaDeviceExceptionHandler exceptionHandler) {}
   }
 
+  public class KasaDeviceInfo : IDeviceInfo {
+    public KasaDeviceInfo() {}
+
+    public string? Description { get; }
+    [JsonConverter(typeof(Base16ByteArrayJsonConverter))]
+    [JsonPropertyName("fwId")]
+    public byte[]? FirmwareId { get; init; }
+    [JsonPropertyName("sw_ver")]
+    public string? FirmwareVersion { get; init; }
+    [JsonConverter(typeof(Base16ByteArrayJsonConverter))]
+    [JsonPropertyName("hwId")]
+    public byte[]? HardwareId { get; init; }
+    [JsonPropertyName("hw_ver")]
+    public string? HardwareVersion { get; init; }
+    [JsonConverter(typeof(Base16ByteArrayJsonConverter))]
+    [JsonPropertyName("deviceId")]
+    public byte[]? Id { get; init; }
+    [Obsolete("This property is intended to be used only for JSON deserialization. Refer 'Description' to get the value.")]
+    [JsonPropertyName("description")]
+    public string? JsonPropertyDescription { get; set; }
+    [Obsolete("This property is intended to be used only for JSON deserialization. Refer 'Description' to get the value.")]
+    [JsonPropertyName("dev_name")]
+    public string? JsonPropertyDevName { get; set; }
+    [Obsolete("This property is intended to be used only for JSON deserialization. Refer 'MacAddress' to get the value.")]
+    [JsonConverter(typeof(MacAddressJsonConverter))]
+    [JsonPropertyName("mac")]
+    public PhysicalAddress? JsonPropertyMac { get; init; }
+    [Obsolete("This property is intended to be used only for JSON deserialization. Refer 'MacAddress' to get the value.")]
+    [JsonConverter(typeof(MacAddressJsonConverter))]
+    [JsonPropertyName("mic_mac")]
+    public PhysicalAddress? JsonPropertyMicMac { get; init; }
+    [Obsolete("This property is intended to be used only for JSON deserialization. Refer 'TypeName' to get the value.")]
+    [JsonPropertyName("mic_type")]
+    public string? JsonPropertyMicType { get; set; }
+    [Obsolete("This property is intended to be used only for JSON deserialization. Refer 'TypeName' to get the value.")]
+    [JsonPropertyName("type")]
+    public string? JsonPropertyType { get; set; }
+    public PhysicalAddress? MacAddress { get; }
+    [JsonPropertyName("model")]
+    public string? ModelName { get; init; }
+    [JsonPropertyName("rssi")]
+    public decimal? NetworkRssi { get; init; }
+    [JsonConverter(typeof(Base16ByteArrayJsonConverter))]
+    [JsonPropertyName("oemId")]
+    public byte[]? OemId { get; init; }
+    ReadOnlySpan<byte> IDeviceInfo.Id { get; }
+    [JsonIgnore]
+    public DateTimeOffset TimeStamp { get; }
+    public string? TypeName { get; }
+  }
+
   public class KasaDisconnectedException : KasaProtocolException {
     public KasaDisconnectedException(string message, EndPoint deviceEndPoint, Exception? innerException) {}
   }
 
   public class KasaErrorResponseException : KasaUnexpectedResponseException {
     public KasaErrorResponseException(EndPoint deviceEndPoint, string requestModule, string requestMethod, int rawErrorCode) {}
 
     public int RawErrorCode { get; }
   }
 
   public class KasaIncompleteResponseException : KasaUnexpectedResponseException {
     public KasaIncompleteResponseException(string message, EndPoint deviceEndPoint, string requestModule, string requestMethod, Exception? innerException) {}
   }
 
   public abstract class KasaProtocolException : InvalidOperationException {
     protected KasaProtocolException(string message, EndPoint deviceEndPoint, Exception? innerException) {}
 
     public EndPoint DeviceEndPoint { get; }
   }
 
   public class KasaUnexpectedResponseException : KasaProtocolException {
     public KasaUnexpectedResponseException(string message, EndPoint deviceEndPoint, string requestModule, string requestMethod, Exception? innerException) {}
 
     public string RequestMethod { get; }
     public string RequestModule { get; }
   }
 
   public readonly struct KL130LightState {
     [MemberNotNullWhen(true, "IsOn")]
     [JsonPropertyName("brightness")]
     public int? Brightness { [MemberNotNullWhen(true, "IsOn")] get; [MemberNotNullWhen(true, "IsOn")] init; }
     [MemberNotNullWhen(true, "IsOn")]
     [JsonPropertyName("color_temp")]
     public int? ColorTemperature { [MemberNotNullWhen(true, "IsOn")] get; [MemberNotNullWhen(true, "IsOn")] init; }
     [MemberNotNullWhen(true, "IsOn")]
     [JsonPropertyName("hue")]
     public int? Hue { [MemberNotNullWhen(true, "IsOn")] get; [MemberNotNullWhen(true, "IsOn")] init; }
     [JsonConverter(typeof(KasaNumericalBooleanJsonConverter))]
     [JsonPropertyName("on_off")]
     public bool IsOn { get; init; }
     [MemberNotNullWhen(true, "IsOn")]
     [JsonPropertyName("mode")]
     public string? Mode { [MemberNotNullWhen(true, "IsOn")] get; [MemberNotNullWhen(true, "IsOn")] init; }
     [MemberNotNullWhen(true, "IsOn")]
     [JsonPropertyName("saturation")]
     public int? Saturation { [MemberNotNullWhen(true, "IsOn")] get; [MemberNotNullWhen(true, "IsOn")] init; }
   }
 
   public readonly struct KasaDeviceExceptionHandling {
     public static readonly KasaDeviceExceptionHandling InvalidateEndPointAndRetry; // = "{ShouldRetry=True, RetryAfter=00:00:00, ShouldReconnect=False, ShouldInvalidateEndPoint=True}"
     public static readonly KasaDeviceExceptionHandling InvalidateEndPointAndThrow; // = "{ShouldRetry=False, RetryAfter=00:00:00, ShouldReconnect=False, ShouldInvalidateEndPoint=True}"
     public static readonly KasaDeviceExceptionHandling Retry; // = "{ShouldRetry=True, RetryAfter=00:00:00, ShouldReconnect=False, ShouldInvalidateEndPoint=False}"
     public static readonly KasaDeviceExceptionHandling RetryAfterReconnect; // = "{ShouldRetry=True, RetryAfter=00:00:00, ShouldReconnect=True, ShouldInvalidateEndPoint=False}"
     public static readonly KasaDeviceExceptionHandling Throw; // = "{ShouldRetry=False, RetryAfter=00:00:00, ShouldReconnect=False, ShouldInvalidateEndPoint=False}"
 
     public static KasaDeviceExceptionHandling CreateRetry(TimeSpan retryAfter, bool shouldReconnect = false) {}
 
     public TimeSpan RetryAfter { get; init; }
     public bool ShouldInvalidateEndPoint { get; init; }
     public bool ShouldReconnect { get; init; }
     public bool ShouldRetry { get; init; }
 
     public override string ToString() {}
   }
 }
 
 namespace Smdn.TPSmartHomeDevices.Kasa.Json {
   public sealed class KasaNumericalBooleanJsonConverter : JsonConverter<bool> {
     public KasaNumericalBooleanJsonConverter() {}
 
     public override bool Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) {}
     public override void Write(Utf8JsonWriter writer, bool @value, JsonSerializerOptions options) {}
   }
 }
 
 namespace Smdn.TPSmartHomeDevices.Kasa.Protocol {
   public sealed class KasaClient : IDisposable {
     public const int DefaultPort = 9999;
 
     public KasaClient(EndPoint endPoint, ILogger? logger = null) {}
 
     public EndPoint EndPoint { get; }
     public bool IsConnected { get; }
 
     public void Dispose() {}
     public ValueTask<TMethodResult> SendAsync<TMethodParameter, TMethodResult>(JsonEncodedText module, JsonEncodedText method, TMethodParameter parameter, Func<JsonElement, TMethodResult> composeResult, CancellationToken cancellationToken = default) {}
   }
 
   public static class KasaJsonSerializer {
     public const byte InitialKey = 171;
 
     public static void DecryptInPlace(Span<byte> body) {}
     public static JsonElement Deserialize(ArrayBufferWriter<byte> buffer, JsonEncodedText module, JsonEncodedText method, ILogger? logger = null) {}
     public static void EncryptInPlace(Span<byte> body) {}
     public static void Serialize<TMethodParameter>(ArrayBufferWriter<byte> buffer, JsonEncodedText module, JsonEncodedText method, TMethodParameter parameter, ILogger? logger = null) {}
   }
 
   public class KasaMessageBodyTooShortException : KasaMessageException {
     public KasaMessageBodyTooShortException(int indicatedLength, int actualLength) {}
 
     public int ActualLength { get; }
     public int IndicatedLength { get; }
   }
 
   public class KasaMessageException : SystemException {
     public KasaMessageException(string message) {}
   }
 
   public class KasaMessageHeaderTooShortException : KasaMessageException {
     public KasaMessageHeaderTooShortException(string message) {}
   }
 }
 // API list generated by Smdn.Reflection.ReverseGenerating.ListApi.MSBuild.Tasks v1.3.2.0.
 // Smdn.Reflection.ReverseGenerating.ListApi.Core v1.2.0.0 (https://github.com/smdn/Smdn.Reflection.ReverseGenerating)
diff --git a/doc/api-list/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa-net8.0.apilist.cs b/doc/api-list/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa-net8.0.apilist.cs
index 12f39cb..57bd208 100644
--- a/doc/api-list/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa-net8.0.apilist.cs
+++ b/doc/api-list/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa-net8.0.apilist.cs
@@ -1,234 +1,269 @@
-// Smdn.TPSmartHomeDevices.Kasa.dll (Smdn.TPSmartHomeDevices.Kasa-2.0.0-preview1)
+// Smdn.TPSmartHomeDevices.Kasa.dll (Smdn.TPSmartHomeDevices.Kasa-2.0.0-preview2)
 //   Name: Smdn.TPSmartHomeDevices.Kasa
 //   AssemblyVersion: 2.0.0.0
-//   InformationalVersion: 2.0.0-preview1+79057c306c2fede642a92b623a95cbb150e83873
+//   InformationalVersion: 2.0.0-preview2+d001e07a3ea43a47290d9e9d2f4d582e14caa297
 //   TargetFramework: .NETCoreApp,Version=v8.0
 //   Configuration: Release
 //   Referenced assemblies:
 //     Microsoft.Extensions.DependencyInjection.Abstractions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60
 //     Microsoft.Extensions.Logging.Abstractions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60
 //     Microsoft.Win32.Primitives, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
 //     Smdn.TPSmartHomeDevices.Primitives, Version=1.1.0.0, Culture=neutral
 //     System.Collections, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
 //     System.ComponentModel, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
 //     System.Memory, Version=8.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
 //     System.Net.NetworkInformation, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
 //     System.Net.Primitives, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
 //     System.Net.Sockets, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
 //     System.Runtime, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
 //     System.Text.Encodings.Web, Version=8.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
 //     System.Text.Json, Version=8.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
 #nullable enable annotations
 
 using System;
 using System.Buffers;
 using System.Diagnostics.CodeAnalysis;
 using System.Net;
 using System.Net.NetworkInformation;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Smdn.TPSmartHomeDevices;
 using Smdn.TPSmartHomeDevices.Kasa;
 using Smdn.TPSmartHomeDevices.Kasa.Protocol;
 
 namespace Smdn.TPSmartHomeDevices.Kasa {
   public class HS105 :
     KasaDevice,
-    ISmartPlug
+    ISmartDevice
   {
     public static HS105 Create<TAddress>(TAddress deviceAddress, IServiceProvider serviceProvider) where TAddress : notnull {}
 
     public HS105(IDeviceEndPoint deviceEndPoint, IServiceProvider? serviceProvider = null) {}
     public HS105(IPAddress ipAddress, IServiceProvider? serviceProvider = null) {}
     public HS105(PhysicalAddress macAddress, IServiceProvider serviceProvider) {}
     public HS105(string host, IServiceProvider? serviceProvider = null) {}
 
     public ValueTask<bool> GetOnOffStateAsync(CancellationToken cancellationToken = default) {}
     public ValueTask SetOnOffStateAsync(bool newOnOffState, CancellationToken cancellationToken = default) {}
+    async ValueTask<IDeviceInfo> ISmartDevice.GetDeviceInfoAsync(CancellationToken cancellationToken) {}
     public ValueTask TurnOffAsync(CancellationToken cancellationToken = default) {}
     public ValueTask TurnOnAsync(CancellationToken cancellationToken = default) {}
   }
 
   public class KL130 :
     KasaDevice,
     IMulticolorSmartLight
   {
     public static KL130 Create<TAddress>(TAddress deviceAddress, IServiceProvider serviceProvider) where TAddress : notnull {}
 
     public KL130(IDeviceEndPoint deviceEndPoint, IServiceProvider? serviceProvider = null) {}
     public KL130(IPAddress ipAddress, IServiceProvider? serviceProvider = null) {}
     public KL130(PhysicalAddress macAddress, IServiceProvider serviceProvider) {}
     public KL130(string host, IServiceProvider? serviceProvider = null) {}
 
     public ValueTask<KL130LightState> GetLightStateAsync(CancellationToken cancellationToken = default) {}
     public ValueTask<bool> GetOnOffStateAsync(CancellationToken cancellationToken = default) {}
     public ValueTask SetBrightnessAsync(int brightness, TimeSpan transitionPeriod = default, CancellationToken cancellationToken = default) {}
     public ValueTask SetColorAsync(int hue, int saturation, int? brightness = null, TimeSpan transitionPeriod = default, CancellationToken cancellationToken = default) {}
     public ValueTask SetColorTemperatureAsync(int colorTemperature, int? brightness = null, TimeSpan transitionPeriod = default, CancellationToken cancellationToken = default) {}
     public ValueTask SetOnOffStateAsync(bool newOnOffState, TimeSpan transitionPeriod = default, CancellationToken cancellationToken = default) {}
+    async ValueTask<IDeviceInfo> ISmartDevice.GetDeviceInfoAsync(CancellationToken cancellationToken) {}
     ValueTask ISmartDevice.SetOnOffStateAsync(bool newOnOffState, CancellationToken cancellationToken) {}
     public ValueTask TurnOffAsync(TimeSpan transitionPeriod = default, CancellationToken cancellationToken = default) {}
     public ValueTask TurnOnAsync(TimeSpan transitionPeriod = default, CancellationToken cancellationToken = default) {}
   }
 
   public class KasaDevice : IDisposable {
     protected readonly struct NullParameter {
     }
 
     protected static readonly JsonEncodedText MethodTextGetSysInfo; // = "get_sysinfo"
     protected static readonly JsonEncodedText ModuleTextSystem; // = "system"
 
     public static KasaDevice Create(IDeviceEndPoint deviceEndPoint, IServiceProvider? serviceProvider = null) {}
     public static KasaDevice Create(IPAddress ipAddress, IServiceProvider? serviceProvider = null) {}
     public static KasaDevice Create(PhysicalAddress macAddress, IServiceProvider serviceProvider) {}
     public static KasaDevice Create(string host, IServiceProvider? serviceProvider = null) {}
     public static KasaDevice Create<TAddress>(TAddress deviceAddress, IServiceProvider serviceProvider) where TAddress : notnull {}
 
     protected KasaDevice(IDeviceEndPoint deviceEndPoint, IServiceProvider? serviceProvider) {}
     protected KasaDevice(IPAddress ipAddress, IServiceProvider? serviceProvider) {}
     protected KasaDevice(PhysicalAddress macAddress, IServiceProvider serviceProvider) {}
     protected KasaDevice(string host, IServiceProvider? serviceProvider) {}
 
     public bool IsConnected { get; }
     [MemberNotNullWhen(false, "deviceEndPoint")]
     protected bool IsDisposed { [MemberNotNullWhen(false, "deviceEndPoint")] get; }
 
     protected virtual void Dispose(bool disposing) {}
     public void Dispose() {}
+    public ValueTask<KasaDeviceInfo?> GetDeviceInfoAsync(CancellationToken cancellationToken = default) {}
+    protected ValueTask<TSysInfo> GetSysInfoAsync<TSysInfo>(Func<JsonElement, TSysInfo> composeResult, CancellationToken cancellationToken = default) {}
     public ValueTask<EndPoint> ResolveEndPointAsync(CancellationToken cancellationToken = default) {}
     protected ValueTask SendRequestAsync<TMethodParameter>(JsonEncodedText module, JsonEncodedText method, TMethodParameter parameters, CancellationToken cancellationToken) {}
     protected ValueTask<TMethodResult> SendRequestAsync<TMethodParameter, TMethodResult>(JsonEncodedText module, JsonEncodedText method, TMethodParameter parameters, Func<JsonElement, TMethodResult> composeResult, CancellationToken cancellationToken) {}
     protected ValueTask<TMethodResult> SendRequestAsync<TMethodResult>(JsonEncodedText module, JsonEncodedText method, Func<JsonElement, TMethodResult> composeResult, CancellationToken cancellationToken) {}
     public override string? ToString() {}
   }
 
   public abstract class KasaDeviceExceptionHandler {
     internal protected static readonly KasaDeviceExceptionHandler Default; // = "Smdn.TPSmartHomeDevices.Kasa.KasaDeviceDefaultExceptionHandler"
 
     protected KasaDeviceExceptionHandler() {}
 
     public abstract KasaDeviceExceptionHandling DetermineHandling(KasaDevice device, Exception exception, int attempt, ILogger? logger);
   }
 
   public static class KasaDeviceExceptionHandlerServiceCollectionExtensions {
     public static IServiceCollection AddKasaDeviceExceptionHandler(this IServiceCollection services, KasaDeviceExceptionHandler exceptionHandler) {}
   }
 
+  public class KasaDeviceInfo : IDeviceInfo {
+    public KasaDeviceInfo() {}
+
+    public string? Description { get; }
+    [JsonConverter(typeof(Base16ByteArrayJsonConverter))]
+    [JsonPropertyName("fwId")]
+    public byte[]? FirmwareId { get; init; }
+    [JsonPropertyName("sw_ver")]
+    public string? FirmwareVersion { get; init; }
+    [JsonConverter(typeof(Base16ByteArrayJsonConverter))]
+    [JsonPropertyName("hwId")]
+    public byte[]? HardwareId { get; init; }
+    [JsonPropertyName("hw_ver")]
+    public string? HardwareVersion { get; init; }
+    [JsonConverter(typeof(Base16ByteArrayJsonConverter))]
+    [JsonPropertyName("deviceId")]
+    public byte[]? Id { get; init; }
+    public PhysicalAddress? MacAddress { get; }
+    [JsonPropertyName("model")]
+    public string? ModelName { get; init; }
+    [JsonPropertyName("rssi")]
+    public decimal? NetworkRssi { get; init; }
+    [JsonConverter(typeof(Base16ByteArrayJsonConverter))]
+    [JsonPropertyName("oemId")]
+    public byte[]? OemId { get; init; }
+    ReadOnlySpan<byte> IDeviceInfo.Id { get; }
+    [JsonIgnore]
+    public DateTimeOffset TimeStamp { get; }
+    public string? TypeName { get; }
+  }
+
   public class KasaDisconnectedException : KasaProtocolException {
     public KasaDisconnectedException(string message, EndPoint deviceEndPoint, Exception? innerException) {}
   }
 
   public class KasaErrorResponseException : KasaUnexpectedResponseException {
     public KasaErrorResponseException(EndPoint deviceEndPoint, string requestModule, string requestMethod, int rawErrorCode) {}
 
     public int RawErrorCode { get; }
   }
 
   public class KasaIncompleteResponseException : KasaUnexpectedResponseException {
     public KasaIncompleteResponseException(string message, EndPoint deviceEndPoint, string requestModule, string requestMethod, Exception? innerException) {}
   }
 
   public abstract class KasaProtocolException : InvalidOperationException {
     protected KasaProtocolException(string message, EndPoint deviceEndPoint, Exception? innerException) {}
 
     public EndPoint DeviceEndPoint { get; }
   }
 
   public class KasaUnexpectedResponseException : KasaProtocolException {
     public KasaUnexpectedResponseException(string message, EndPoint deviceEndPoint, string requestModule, string requestMethod, Exception? innerException) {}
 
     public string RequestMethod { get; }
     public string RequestModule { get; }
   }
 
   public readonly struct KL130LightState {
     [MemberNotNullWhen(true, "IsOn")]
     [JsonPropertyName("brightness")]
     public int? Brightness { [MemberNotNullWhen(true, "IsOn")] get; [MemberNotNullWhen(true, "IsOn")] init; }
     [MemberNotNullWhen(true, "IsOn")]
     [JsonPropertyName("color_temp")]
     public int? ColorTemperature { [MemberNotNullWhen(true, "IsOn")] get; [MemberNotNullWhen(true, "IsOn")] init; }
     [MemberNotNullWhen(true, "IsOn")]
     [JsonPropertyName("hue")]
     public int? Hue { [MemberNotNullWhen(true, "IsOn")] get; [MemberNotNullWhen(true, "IsOn")] init; }
     [JsonConverter(typeof(KasaNumericalBooleanJsonConverter))]
     [JsonPropertyName("on_off")]
     public bool IsOn { get; init; }
     [MemberNotNullWhen(true, "IsOn")]
     [JsonPropertyName("mode")]
     public string? Mode { [MemberNotNullWhen(true, "IsOn")] get; [MemberNotNullWhen(true, "IsOn")] init; }
     [MemberNotNullWhen(true, "IsOn")]
     [JsonPropertyName("saturation")]
     public int? Saturation { [MemberNotNullWhen(true, "IsOn")] get; [MemberNotNullWhen(true, "IsOn")] init; }
   }
 
   public readonly struct KasaDeviceExceptionHandling {
     public static readonly KasaDeviceExceptionHandling InvalidateEndPointAndRetry; // = "{ShouldRetry=True, RetryAfter=00:00:00, ShouldReconnect=False, ShouldInvalidateEndPoint=True}"
     public static readonly KasaDeviceExceptionHandling InvalidateEndPointAndThrow; // = "{ShouldRetry=False, RetryAfter=00:00:00, ShouldReconnect=False, ShouldInvalidateEndPoint=True}"
     public static readonly KasaDeviceExceptionHandling Retry; // = "{ShouldRetry=True, RetryAfter=00:00:00, ShouldReconnect=False, ShouldInvalidateEndPoint=False}"
     public static readonly KasaDeviceExceptionHandling RetryAfterReconnect; // = "{ShouldRetry=True, RetryAfter=00:00:00, ShouldReconnect=True, ShouldInvalidateEndPoint=False}"
     public static readonly KasaDeviceExceptionHandling Throw; // = "{ShouldRetry=False, RetryAfter=00:00:00, ShouldReconnect=False, ShouldInvalidateEndPoint=False}"
 
     public static KasaDeviceExceptionHandling CreateRetry(TimeSpan retryAfter, bool shouldReconnect = false) {}
 
     public TimeSpan RetryAfter { get; init; }
     public bool ShouldInvalidateEndPoint { get; init; }
     public bool ShouldReconnect { get; init; }
     public bool ShouldRetry { get; init; }
 
     public override string ToString() {}
   }
 }
 
 namespace Smdn.TPSmartHomeDevices.Kasa.Json {
   public sealed class KasaNumericalBooleanJsonConverter : JsonConverter<bool> {
     public KasaNumericalBooleanJsonConverter() {}
 
     public override bool Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) {}
     public override void Write(Utf8JsonWriter writer, bool @value, JsonSerializerOptions options) {}
   }
 }
 
 namespace Smdn.TPSmartHomeDevices.Kasa.Protocol {
   public sealed class KasaClient : IDisposable {
     public const int DefaultPort = 9999;
 
     public KasaClient(EndPoint endPoint, ILogger? logger = null) {}
 
     public EndPoint EndPoint { get; }
     public bool IsConnected { get; }
 
     public void Dispose() {}
     public ValueTask<TMethodResult> SendAsync<TMethodParameter, TMethodResult>(JsonEncodedText module, JsonEncodedText method, TMethodParameter parameter, Func<JsonElement, TMethodResult> composeResult, CancellationToken cancellationToken = default) {}
   }
 
   public static class KasaJsonSerializer {
     public const byte InitialKey = 171;
 
     public static void DecryptInPlace(Span<byte> body) {}
     public static JsonElement Deserialize(ArrayBufferWriter<byte> buffer, JsonEncodedText module, JsonEncodedText method, ILogger? logger = null) {}
     public static void EncryptInPlace(Span<byte> body) {}
     public static void Serialize<TMethodParameter>(ArrayBufferWriter<byte> buffer, JsonEncodedText module, JsonEncodedText method, TMethodParameter parameter, ILogger? logger = null) {}
   }
 
   public class KasaMessageBodyTooShortException : KasaMessageException {
     public KasaMessageBodyTooShortException(int indicatedLength, int actualLength) {}
 
     public int ActualLength { get; }
     public int IndicatedLength { get; }
   }
 
   public class KasaMessageException : SystemException {
     public KasaMessageException(string message) {}
   }
 
   public class KasaMessageHeaderTooShortException : KasaMessageException {
     public KasaMessageHeaderTooShortException(string message) {}
   }
 }
 // API list generated by Smdn.Reflection.ReverseGenerating.ListApi.MSBuild.Tasks v1.3.2.0.
 // Smdn.Reflection.ReverseGenerating.ListApi.Core v1.2.0.0 (https://github.com/smdn/Smdn.Reflection.ReverseGenerating)
diff --git a/doc/api-list/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa-netstandard2.1.apilist.cs b/doc/api-list/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa-netstandard2.1.apilist.cs
index cdf118b..95addcf 100644
--- a/doc/api-list/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa-netstandard2.1.apilist.cs
+++ b/doc/api-list/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa-netstandard2.1.apilist.cs
@@ -1,220 +1,275 @@
-// Smdn.TPSmartHomeDevices.Kasa.dll (Smdn.TPSmartHomeDevices.Kasa-2.0.0-preview1)
+// Smdn.TPSmartHomeDevices.Kasa.dll (Smdn.TPSmartHomeDevices.Kasa-2.0.0-preview2)
 //   Name: Smdn.TPSmartHomeDevices.Kasa
 //   AssemblyVersion: 2.0.0.0
-//   InformationalVersion: 2.0.0-preview1+79057c306c2fede642a92b623a95cbb150e83873
+//   InformationalVersion: 2.0.0-preview2+d001e07a3ea43a47290d9e9d2f4d582e14caa297
 //   TargetFramework: .NETStandard,Version=v2.1
 //   Configuration: Release
 //   Referenced assemblies:
 //     Microsoft.Extensions.DependencyInjection.Abstractions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60
 //     Microsoft.Extensions.Logging.Abstractions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60
 //     Smdn.TPSmartHomeDevices.Primitives, Version=1.1.0.0, Culture=neutral
 //     System.Text.Encodings.Web, Version=6.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
 //     System.Text.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
 //     netstandard, Version=2.1.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
 #nullable enable annotations
 
 using System;
 using System.Buffers;
 using System.Net;
 using System.Net.NetworkInformation;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Smdn.TPSmartHomeDevices;
 using Smdn.TPSmartHomeDevices.Kasa;
 using Smdn.TPSmartHomeDevices.Kasa.Protocol;
 
 namespace Smdn.TPSmartHomeDevices.Kasa {
   public class HS105 :
     KasaDevice,
-    ISmartPlug
+    ISmartDevice
   {
     public static HS105 Create<TAddress>(TAddress deviceAddress, IServiceProvider serviceProvider) where TAddress : notnull {}
 
     public HS105(IDeviceEndPoint deviceEndPoint, IServiceProvider? serviceProvider = null) {}
     public HS105(IPAddress ipAddress, IServiceProvider? serviceProvider = null) {}
     public HS105(PhysicalAddress macAddress, IServiceProvider serviceProvider) {}
     public HS105(string host, IServiceProvider? serviceProvider = null) {}
 
     public ValueTask<bool> GetOnOffStateAsync(CancellationToken cancellationToken = default) {}
     public ValueTask SetOnOffStateAsync(bool newOnOffState, CancellationToken cancellationToken = default) {}
+    async ValueTask<IDeviceInfo> ISmartDevice.GetDeviceInfoAsync(CancellationToken cancellationToken) {}
     public ValueTask TurnOffAsync(CancellationToken cancellationToken = default) {}
     public ValueTask TurnOnAsync(CancellationToken cancellationToken = default) {}
   }
 
   public class KL130 :
     KasaDevice,
     IMulticolorSmartLight
   {
     public static KL130 Create<TAddress>(TAddress deviceAddress, IServiceProvider serviceProvider) where TAddress : notnull {}
 
     public KL130(IDeviceEndPoint deviceEndPoint, IServiceProvider? serviceProvider = null) {}
     public KL130(IPAddress ipAddress, IServiceProvider? serviceProvider = null) {}
     public KL130(PhysicalAddress macAddress, IServiceProvider serviceProvider) {}
     public KL130(string host, IServiceProvider? serviceProvider = null) {}
 
     public ValueTask<KL130LightState> GetLightStateAsync(CancellationToken cancellationToken = default) {}
     public ValueTask<bool> GetOnOffStateAsync(CancellationToken cancellationToken = default) {}
     public ValueTask SetBrightnessAsync(int brightness, TimeSpan transitionPeriod = default, CancellationToken cancellationToken = default) {}
     public ValueTask SetColorAsync(int hue, int saturation, int? brightness = null, TimeSpan transitionPeriod = default, CancellationToken cancellationToken = default) {}
     public ValueTask SetColorTemperatureAsync(int colorTemperature, int? brightness = null, TimeSpan transitionPeriod = default, CancellationToken cancellationToken = default) {}
     public ValueTask SetOnOffStateAsync(bool newOnOffState, TimeSpan transitionPeriod = default, CancellationToken cancellationToken = default) {}
+    async ValueTask<IDeviceInfo> ISmartDevice.GetDeviceInfoAsync(CancellationToken cancellationToken) {}
     ValueTask ISmartDevice.SetOnOffStateAsync(bool newOnOffState, CancellationToken cancellationToken) {}
     public ValueTask TurnOffAsync(TimeSpan transitionPeriod = default, CancellationToken cancellationToken = default) {}
     public ValueTask TurnOnAsync(TimeSpan transitionPeriod = default, CancellationToken cancellationToken = default) {}
   }
 
   public class KasaDevice : IDisposable {
     protected readonly struct NullParameter {
     }
 
     protected static readonly JsonEncodedText MethodTextGetSysInfo;
     protected static readonly JsonEncodedText ModuleTextSystem;
 
     public static KasaDevice Create(IDeviceEndPoint deviceEndPoint, IServiceProvider? serviceProvider = null) {}
     public static KasaDevice Create(IPAddress ipAddress, IServiceProvider? serviceProvider = null) {}
     public static KasaDevice Create(PhysicalAddress macAddress, IServiceProvider serviceProvider) {}
     public static KasaDevice Create(string host, IServiceProvider? serviceProvider = null) {}
     public static KasaDevice Create<TAddress>(TAddress deviceAddress, IServiceProvider serviceProvider) where TAddress : notnull {}
 
     protected KasaDevice(IDeviceEndPoint deviceEndPoint, IServiceProvider? serviceProvider) {}
     protected KasaDevice(IPAddress ipAddress, IServiceProvider? serviceProvider) {}
     protected KasaDevice(PhysicalAddress macAddress, IServiceProvider serviceProvider) {}
     protected KasaDevice(string host, IServiceProvider? serviceProvider) {}
 
     public bool IsConnected { get; }
     protected bool IsDisposed { get; }
 
     protected virtual void Dispose(bool disposing) {}
     public void Dispose() {}
+    public ValueTask<KasaDeviceInfo?> GetDeviceInfoAsync(CancellationToken cancellationToken = default) {}
+    protected ValueTask<TSysInfo> GetSysInfoAsync<TSysInfo>(Func<JsonElement, TSysInfo> composeResult, CancellationToken cancellationToken = default) {}
     public ValueTask<EndPoint> ResolveEndPointAsync(CancellationToken cancellationToken = default) {}
     protected ValueTask SendRequestAsync<TMethodParameter>(JsonEncodedText module, JsonEncodedText method, TMethodParameter parameters, CancellationToken cancellationToken) {}
     protected ValueTask<TMethodResult> SendRequestAsync<TMethodParameter, TMethodResult>(JsonEncodedText module, JsonEncodedText method, TMethodParameter parameters, Func<JsonElement, TMethodResult> composeResult, CancellationToken cancellationToken) {}
     protected ValueTask<TMethodResult> SendRequestAsync<TMethodResult>(JsonEncodedText module, JsonEncodedText method, Func<JsonElement, TMethodResult> composeResult, CancellationToken cancellationToken) {}
     public override string? ToString() {}
   }
 
   public abstract class KasaDeviceExceptionHandler {
     internal protected static readonly KasaDeviceExceptionHandler Default; // = "Smdn.TPSmartHomeDevices.Kasa.KasaDeviceDefaultExceptionHandler"
 
     protected KasaDeviceExceptionHandler() {}
 
     public abstract KasaDeviceExceptionHandling DetermineHandling(KasaDevice device, Exception exception, int attempt, ILogger? logger);
   }
 
   public static class KasaDeviceExceptionHandlerServiceCollectionExtensions {
     public static IServiceCollection AddKasaDeviceExceptionHandler(this IServiceCollection services, KasaDeviceExceptionHandler exceptionHandler) {}
   }
 
+  public class KasaDeviceInfo : IDeviceInfo {
+    public KasaDeviceInfo() {}
+
+    public string? Description { get; }
+    [JsonConverter(typeof(Base16ByteArrayJsonConverter))]
+    [JsonPropertyName("fwId")]
+    public byte[]? FirmwareId { get; init; }
+    [JsonPropertyName("sw_ver")]
+    public string? FirmwareVersion { get; init; }
+    [JsonConverter(typeof(Base16ByteArrayJsonConverter))]
+    [JsonPropertyName("hwId")]
+    public byte[]? HardwareId { get; init; }
+    [JsonPropertyName("hw_ver")]
+    public string? HardwareVersion { get; init; }
+    [JsonConverter(typeof(Base16ByteArrayJsonConverter))]
+    [JsonPropertyName("deviceId")]
+    public byte[]? Id { get; init; }
+    [Obsolete("This property is intended to be used only for JSON deserialization. Refer 'Description' to get the value.")]
+    [JsonPropertyName("description")]
+    public string? JsonPropertyDescription { get; set; }
+    [Obsolete("This property is intended to be used only for JSON deserialization. Refer 'Description' to get the value.")]
+    [JsonPropertyName("dev_name")]
+    public string? JsonPropertyDevName { get; set; }
+    [Obsolete("This property is intended to be used only for JSON deserialization. Refer 'MacAddress' to get the value.")]
+    [JsonConverter(typeof(MacAddressJsonConverter))]
+    [JsonPropertyName("mac")]
+    public PhysicalAddress? JsonPropertyMac { get; init; }
+    [Obsolete("This property is intended to be used only for JSON deserialization. Refer 'MacAddress' to get the value.")]
+    [JsonConverter(typeof(MacAddressJsonConverter))]
+    [JsonPropertyName("mic_mac")]
+    public PhysicalAddress? JsonPropertyMicMac { get; init; }
+    [Obsolete("This property is intended to be used only for JSON deserialization. Refer 'TypeName' to get the value.")]
+    [JsonPropertyName("mic_type")]
+    public string? JsonPropertyMicType { get; set; }
+    [Obsolete("This property is intended to be used only for JSON deserialization. Refer 'TypeName' to get the value.")]
+    [JsonPropertyName("type")]
+    public string? JsonPropertyType { get; set; }
+    public PhysicalAddress? MacAddress { get; }
+    [JsonPropertyName("model")]
+    public string? ModelName { get; init; }
+    [JsonPropertyName("rssi")]
+    public decimal? NetworkRssi { get; init; }
+    [JsonConverter(typeof(Base16ByteArrayJsonConverter))]
+    [JsonPropertyName("oemId")]
+    public byte[]? OemId { get; init; }
+    ReadOnlySpan<byte> IDeviceInfo.Id { get; }
+    [JsonIgnore]
+    public DateTimeOffset TimeStamp { get; }
+    public string? TypeName { get; }
+  }
+
   public class KasaDisconnectedException : KasaProtocolException {
     public KasaDisconnectedException(string message, EndPoint deviceEndPoint, Exception? innerException) {}
   }
 
   public class KasaErrorResponseException : KasaUnexpectedResponseException {
     public KasaErrorResponseException(EndPoint deviceEndPoint, string requestModule, string requestMethod, int rawErrorCode) {}
 
     public int RawErrorCode { get; }
   }
 
   public class KasaIncompleteResponseException : KasaUnexpectedResponseException {
     public KasaIncompleteResponseException(string message, EndPoint deviceEndPoint, string requestModule, string requestMethod, Exception? innerException) {}
   }
 
   public abstract class KasaProtocolException : InvalidOperationException {
     protected KasaProtocolException(string message, EndPoint deviceEndPoint, Exception? innerException) {}
 
     public EndPoint DeviceEndPoint { get; }
   }
 
   public class KasaUnexpectedResponseException : KasaProtocolException {
     public KasaUnexpectedResponseException(string message, EndPoint deviceEndPoint, string requestModule, string requestMethod, Exception? innerException) {}
 
     public string RequestMethod { get; }
     public string RequestModule { get; }
   }
 
   public readonly struct KL130LightState {
     [JsonPropertyName("brightness")]
     public int? Brightness { get; init; }
     [JsonPropertyName("color_temp")]
     public int? ColorTemperature { get; init; }
     [JsonPropertyName("hue")]
     public int? Hue { get; init; }
     [JsonConverter(typeof(KasaNumericalBooleanJsonConverter))]
     [JsonPropertyName("on_off")]
     public bool IsOn { get; init; }
     [JsonPropertyName("mode")]
     public string? Mode { get; init; }
     [JsonPropertyName("saturation")]
     public int? Saturation { get; init; }
   }
 
   public readonly struct KasaDeviceExceptionHandling {
     public static readonly KasaDeviceExceptionHandling InvalidateEndPointAndRetry; // = "{ShouldRetry=True, RetryAfter=00:00:00, ShouldReconnect=False, ShouldInvalidateEndPoint=True}"
     public static readonly KasaDeviceExceptionHandling InvalidateEndPointAndThrow; // = "{ShouldRetry=False, RetryAfter=00:00:00, ShouldReconnect=False, ShouldInvalidateEndPoint=True}"
     public static readonly KasaDeviceExceptionHandling Retry; // = "{ShouldRetry=True, RetryAfter=00:00:00, ShouldReconnect=False, ShouldInvalidateEndPoint=False}"
     public static readonly KasaDeviceExceptionHandling RetryAfterReconnect; // = "{ShouldRetry=True, RetryAfter=00:00:00, ShouldReconnect=True, ShouldInvalidateEndPoint=False}"
     public static readonly KasaDeviceExceptionHandling Throw; // = "{ShouldRetry=False, RetryAfter=00:00:00, ShouldReconnect=False, ShouldInvalidateEndPoint=False}"
 
     public static KasaDeviceExceptionHandling CreateRetry(TimeSpan retryAfter, bool shouldReconnect = false) {}
 
     public TimeSpan RetryAfter { get; init; }
     public bool ShouldInvalidateEndPoint { get; init; }
     public bool ShouldReconnect { get; init; }
     public bool ShouldRetry { get; init; }
 
     public override string ToString() {}
   }
 }
 
 namespace Smdn.TPSmartHomeDevices.Kasa.Json {
   public sealed class KasaNumericalBooleanJsonConverter : JsonConverter<bool> {
     public KasaNumericalBooleanJsonConverter() {}
 
     public override bool Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) {}
     [...] public override <unknown> Write(...) {}
   }
 }
 
 namespace Smdn.TPSmartHomeDevices.Kasa.Protocol {
   public sealed class KasaClient : IDisposable {
     public const int DefaultPort = 9999;
 
     public KasaClient(EndPoint endPoint, ILogger? logger = null) {}
 
     public EndPoint EndPoint { get; }
     public bool IsConnected { get; }
 
     public void Dispose() {}
     public ValueTask<TMethodResult> SendAsync<TMethodParameter, TMethodResult>(JsonEncodedText module, JsonEncodedText method, TMethodParameter parameter, Func<JsonElement, TMethodResult> composeResult, CancellationToken cancellationToken = default) {}
   }
 
   public static class KasaJsonSerializer {
     public const byte InitialKey = 171;
 
     public static void DecryptInPlace(Span<byte> body) {}
     public static JsonElement Deserialize(ArrayBufferWriter<byte> buffer, JsonEncodedText module, JsonEncodedText method, ILogger? logger = null) {}
     public static void EncryptInPlace(Span<byte> body) {}
     public static void Serialize<TMethodParameter>(ArrayBufferWriter<byte> buffer, JsonEncodedText module, JsonEncodedText method, TMethodParameter parameter, ILogger? logger = null) {}
   }
 
   public class KasaMessageBodyTooShortException : KasaMessageException {
     public KasaMessageBodyTooShortException(int indicatedLength, int actualLength) {}
 
     public int ActualLength { get; }
     public int IndicatedLength { get; }
   }
 
   public class KasaMessageException : SystemException {
     public KasaMessageException(string message) {}
   }
 
   public class KasaMessageHeaderTooShortException : KasaMessageException {
     public KasaMessageHeaderTooShortException(string message) {}
   }
 }
 // API list generated by Smdn.Reflection.ReverseGenerating.ListApi.MSBuild.Tasks v1.3.2.0.
 // Smdn.Reflection.ReverseGenerating.ListApi.Core v1.2.0.0 (https://github.com/smdn/Smdn.Reflection.ReverseGenerating)

Full changes

Full changes in this release:
diff --git a/src/Smdn.TPSmartHomeDevices.Kasa/CompatibilitySuppressions.xml b/src/Smdn.TPSmartHomeDevices.Kasa/CompatibilitySuppressions.xml
index 7f747e8..df4c540 100644
--- a/src/Smdn.TPSmartHomeDevices.Kasa/CompatibilitySuppressions.xml
+++ b/src/Smdn.TPSmartHomeDevices.Kasa/CompatibilitySuppressions.xml
@@ -36,6 +36,78 @@
     <Right>lib/net6.0/Smdn.TPSmartHomeDevices.Kasa.dll</Right>
     <IsBaselineSuppression>true</IsBaselineSuppression>
   </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Smdn.TPSmartHomeDevices.Kasa.KasaDeviceInfo.get_JsonPropertyDescription</Target>
+    <Left>lib/net6.0/Smdn.TPSmartHomeDevices.Kasa.dll</Left>
+    <Right>lib/net8.0/Smdn.TPSmartHomeDevices.Kasa.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Smdn.TPSmartHomeDevices.Kasa.KasaDeviceInfo.get_JsonPropertyDevName</Target>
+    <Left>lib/net6.0/Smdn.TPSmartHomeDevices.Kasa.dll</Left>
+    <Right>lib/net8.0/Smdn.TPSmartHomeDevices.Kasa.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Smdn.TPSmartHomeDevices.Kasa.KasaDeviceInfo.get_JsonPropertyMac</Target>
+    <Left>lib/net6.0/Smdn.TPSmartHomeDevices.Kasa.dll</Left>
+    <Right>lib/net8.0/Smdn.TPSmartHomeDevices.Kasa.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Smdn.TPSmartHomeDevices.Kasa.KasaDeviceInfo.get_JsonPropertyMicMac</Target>
+    <Left>lib/net6.0/Smdn.TPSmartHomeDevices.Kasa.dll</Left>
+    <Right>lib/net8.0/Smdn.TPSmartHomeDevices.Kasa.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Smdn.TPSmartHomeDevices.Kasa.KasaDeviceInfo.get_JsonPropertyMicType</Target>
+    <Left>lib/net6.0/Smdn.TPSmartHomeDevices.Kasa.dll</Left>
+    <Right>lib/net8.0/Smdn.TPSmartHomeDevices.Kasa.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Smdn.TPSmartHomeDevices.Kasa.KasaDeviceInfo.get_JsonPropertyType</Target>
+    <Left>lib/net6.0/Smdn.TPSmartHomeDevices.Kasa.dll</Left>
+    <Right>lib/net8.0/Smdn.TPSmartHomeDevices.Kasa.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Smdn.TPSmartHomeDevices.Kasa.KasaDeviceInfo.set_JsonPropertyDescription(System.String)</Target>
+    <Left>lib/net6.0/Smdn.TPSmartHomeDevices.Kasa.dll</Left>
+    <Right>lib/net8.0/Smdn.TPSmartHomeDevices.Kasa.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Smdn.TPSmartHomeDevices.Kasa.KasaDeviceInfo.set_JsonPropertyDevName(System.String)</Target>
+    <Left>lib/net6.0/Smdn.TPSmartHomeDevices.Kasa.dll</Left>
+    <Right>lib/net8.0/Smdn.TPSmartHomeDevices.Kasa.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Smdn.TPSmartHomeDevices.Kasa.KasaDeviceInfo.set_JsonPropertyMac(System.Net.NetworkInformation.PhysicalAddress)</Target>
+    <Left>lib/net6.0/Smdn.TPSmartHomeDevices.Kasa.dll</Left>
+    <Right>lib/net8.0/Smdn.TPSmartHomeDevices.Kasa.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Smdn.TPSmartHomeDevices.Kasa.KasaDeviceInfo.set_JsonPropertyMicMac(System.Net.NetworkInformation.PhysicalAddress)</Target>
+    <Left>lib/net6.0/Smdn.TPSmartHomeDevices.Kasa.dll</Left>
+    <Right>lib/net8.0/Smdn.TPSmartHomeDevices.Kasa.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Smdn.TPSmartHomeDevices.Kasa.KasaDeviceInfo.set_JsonPropertyMicType(System.String)</Target>
+    <Left>lib/net6.0/Smdn.TPSmartHomeDevices.Kasa.dll</Left>
+    <Right>lib/net8.0/Smdn.TPSmartHomeDevices.Kasa.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Smdn.TPSmartHomeDevices.Kasa.KasaDeviceInfo.set_JsonPropertyType(System.String)</Target>
+    <Left>lib/net6.0/Smdn.TPSmartHomeDevices.Kasa.dll</Left>
+    <Right>lib/net8.0/Smdn.TPSmartHomeDevices.Kasa.dll</Right>
+  </Suppression>
   <Suppression>
     <DiagnosticId>CP0002</DiagnosticId>
     <Target>M:Smdn.TPSmartHomeDevices.Kasa.KL130.SetColorAsync(System.Int32,System.Int32,System.Nullable{System.Int32},System.Nullable{System.TimeSpan},System.Threading.CancellationToken)</Target>
diff --git a/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa.csproj b/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa.csproj
index 51f638d..7b81cee 100644
--- a/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa.csproj
+++ b/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa.csproj
@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks>net8.0;net6.0;netstandard2.1</TargetFrameworks>
     <VersionPrefix>2.0.0</VersionPrefix>
-    <VersionSuffix>preview1</VersionSuffix>
+    <VersionSuffix>preview2</VersionSuffix>
     <PackageValidationBaselineVersion>1.0.0</PackageValidationBaselineVersion>
     <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0030 -->
     <Nullable>enable</Nullable>
@@ -38,7 +38,7 @@ SPDX-License-Identifier: MIT
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="6.0.0" />
-    <ProjectOrPackageReference ReferencePackageVersion="1.1.0-preview1" Include="..\Smdn.TPSmartHomeDevices.Primitives\Smdn.TPSmartHomeDevices.Primitives.csproj" />
+    <ProjectOrPackageReference ReferencePackageVersion="1.1.0-preview2" Include="..\Smdn.TPSmartHomeDevices.Primitives\Smdn.TPSmartHomeDevices.Primitives.csproj" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa/HS105.cs b/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa/HS105.cs
index 09af0b7..b92d546 100644
--- a/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa/HS105.cs
+++ b/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa/HS105.cs
@@ -22,7 +22,7 @@ namespace Smdn.TPSmartHomeDevices.Kasa;
 /// </remarks>
 /// <seealso href="https://www.tp-link.com/jp/home-networking/smart-plug/hs105/">Kasa HS105 product information (ja)</seealso>
 /// <seealso href="https://www.kasasmart.com/us/products/smart-plugs/kasa-smart-wifi-plug-mini">Kasa HS105 product information (en)</seealso>
-public class HS105 : KasaDevice, ISmartPlug {
+public class HS105 : KasaDevice, ISmartDevice {
 #pragma warning disable SA1114
   private static readonly JsonEncodedText MethodTextSetRelayState = JsonEncodedText.Encode(
 #if LANG_VERSION_11_OR_GREATER
@@ -109,6 +109,9 @@ public class HS105 : KasaDevice, ISmartPlug {
       serviceProvider: serviceProvider
     );
 
+  async ValueTask<IDeviceInfo> ISmartDevice.GetDeviceInfoAsync(CancellationToken cancellationToken)
+    => await GetDeviceInfoAsync(cancellationToken).ConfigureAwait(false) ?? throw new InvalidOperationException("Could not retrieve device information since it was null.");
+
   private readonly struct SetRelayStateParameter {
     public static readonly SetRelayStateParameter SetOff = new(false);
     public static readonly SetRelayStateParameter SetOn = new(true);
diff --git a/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa/KL130.cs b/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa/KL130.cs
index 0fa57ff..ee5724b 100644
--- a/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa/KL130.cs
+++ b/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa/KL130.cs
@@ -124,6 +124,9 @@ public class KL130 : KasaDevice, IMulticolorSmartLight {
     return value;
   }
 
+  async ValueTask<IDeviceInfo> ISmartDevice.GetDeviceInfoAsync(CancellationToken cancellationToken)
+    => await GetDeviceInfoAsync(cancellationToken).ConfigureAwait(false) ?? throw new InvalidOperationException("Could not retrieve device information since it was null.");
+
 #pragma warning disable SA1313
   private readonly record struct SetOnOffStateParameter(
     [property: JsonPropertyName("on_off")]
diff --git a/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa/KasaDevice.GetSysInfo.cs b/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa/KasaDevice.GetSysInfo.cs
new file mode 100644
index 0000000..c81eb63
--- /dev/null
+++ b/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa/KasaDevice.GetSysInfo.cs
@@ -0,0 +1,69 @@
+// SPDX-FileCopyrightText: 2024 smdn <smdn@smdn.jp>
+// SPDX-License-Identifier: MIT
+using System;
+using System.Text.Json;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Smdn.TPSmartHomeDevices.Kasa;
+
+#pragma warning disable IDE0040
+partial class KasaDevice {
+#pragma warning disable SA1114
+  protected static readonly JsonEncodedText ModuleTextSystem = JsonEncodedText.Encode(
+#if LANG_VERSION_11_OR_GREATER
+    "system"u8
+#else
+    "system"
+#endif
+  );
+  protected static readonly JsonEncodedText MethodTextGetSysInfo = JsonEncodedText.Encode(
+#if LANG_VERSION_11_OR_GREATER
+    "get_sysinfo"u8
+#else
+    "get_sysinfo"
+#endif
+  );
+#pragma warning restore SA1114
+
+  /// <summary>
+  /// Gets the system info of the device.
+  /// </summary>
+  /// <param name="composeResult">
+  /// The <see cref="Func{JsonElement, TSysInfo}"/> delegate that composes or converts the JSON returned
+  /// as a result of the 'get_sysinfo' method into the type <typeparamref name="TSysInfo"/>.
+  /// </param>
+  /// <param name="cancellationToken">
+  /// The <see cref="CancellationToken" /> to monitor for cancellation requests.
+  /// The default value is <see langword="default" />.
+  /// </param>
+  protected ValueTask<TSysInfo> GetSysInfoAsync<TSysInfo>(
+    Func<JsonElement, TSysInfo> composeResult,
+    CancellationToken cancellationToken = default
+  )
+    => SendRequestAsync(
+      module: ModuleTextSystem,
+      method: MethodTextGetSysInfo,
+      composeResult: composeResult,
+      cancellationToken: cancellationToken
+    );
+
+  /// <summary>
+  /// Gets the Kasa device information.
+  /// </summary>
+  /// <param name="cancellationToken">
+  /// The <see cref="CancellationToken" /> to monitor for cancellation requests.
+  /// The default value is <see langword="default" />.
+  /// </param>
+  /// <returns>
+  /// A <see cref="ValueTask{KasaDeviceInfo}"/> representing the result of method.
+  /// </returns>
+  /// <seealso cref="KasaDeviceInfo"/>
+  public ValueTask<KasaDeviceInfo?> GetDeviceInfoAsync(
+    CancellationToken cancellationToken = default
+  )
+    => GetSysInfoAsync(
+      composeResult: static result => JsonSerializer.Deserialize<KasaDeviceInfo>(result),
+      cancellationToken: cancellationToken
+    );
+}
diff --git a/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa/KasaDevice.cs b/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa/KasaDevice.cs
index 6bdb20f..0bb2213 100644
--- a/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa/KasaDevice.cs
+++ b/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa/KasaDevice.cs
@@ -46,23 +46,6 @@ public partial class KasaDevice : IDisposable {
         : $"{CurrentEndPoint} ({DeviceEndPoint})";
   }
 
-#pragma warning disable SA1114
-  protected static readonly JsonEncodedText ModuleTextSystem = JsonEncodedText.Encode(
-#if LANG_VERSION_11_OR_GREATER
-    "system"u8
-#else
-    "system"
-#endif
-  );
-  protected static readonly JsonEncodedText MethodTextGetSysInfo = JsonEncodedText.Encode(
-#if LANG_VERSION_11_OR_GREATER
-    "get_sysinfo"u8
-#else
-    "get_sysinfo"
-#endif
-  );
-#pragma warning restore SA1114
-
   protected readonly struct NullParameter { }
 
   private IDeviceEndPoint deviceEndPoint; // if null, it indicates a 'disposed' state.
diff --git a/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa/KasaDeviceInfo.cs b/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa/KasaDeviceInfo.cs
new file mode 100644
index 0000000..e93a58a
--- /dev/null
+++ b/src/Smdn.TPSmartHomeDevices.Kasa/Smdn.TPSmartHomeDevices.Kasa/KasaDeviceInfo.cs
@@ -0,0 +1,170 @@
+// SPDX-FileCopyrightText: 2024 smdn <smdn@smdn.jp>
+// SPDX-License-Identifier: MIT
+#if NET8_0_OR_GREATER
+// https://learn.microsoft.com/en-us/dotnet/standard/serialization/system-text-json/immutability#non-public-members-and-property-accessors
+#define SYSTEM_JSON_TEXT_SERIALIZE_NON_PUBLIC_ACCESSORS
+#endif
+
+using System;
+using System.Net.NetworkInformation;
+using System.Text.Json.Serialization;
+
+using Smdn.TPSmartHomeDevices.Json;
+
+namespace Smdn.TPSmartHomeDevices.Kasa;
+
+/// <summary>
+/// Represents Kasa device information, including current status.
+/// </summary>
+/// <seealso cref="KasaDevice.GetDeviceInfoAsync(System.Threading.CancellationToken)"/>
+public class KasaDeviceInfo : IDeviceInfo {
+  /// <summary>
+  /// Gets the <see cref="DateTimeOffset"/> that represents the time at which this instance was acquired.
+  /// </summary>
+  [JsonIgnore]
+  public DateTimeOffset TimeStamp { get; } = DateTimeOffset.Now;
+
+  /*
+   * properties for the informations common to the devices
+   */
+#pragma warning disable CA1819
+  /// <summary>Gets the Kasa device's ID.</summary>
+  /// <remarks>The value will be a <see cref="string"/> representing a HEX-encoded(Base16) byte array.</remarks>
+  [JsonPropertyName("deviceId")]
+  [JsonConverter(typeof(Base16ByteArrayJsonConverter))]
+  public byte[]? Id { get; init; }
+#pragma warning restore CA1819
+
+  ReadOnlySpan<byte> IDeviceInfo.Id => Id is null ? ReadOnlySpan<byte>.Empty : Id.AsSpan();
+
+  /// <summary>Gets the Kasa device's description.</summary>
+  public string? Description =>
+#if !SYSTEM_JSON_TEXT_SERIALIZE_NON_PUBLIC_ACCESSORS
+#pragma warning disable CS0618
+#endif
+    JsonPropertyDescription ?? JsonPropertyDevName;
+#pragma warning restore CS0618
+
+  [JsonPropertyName("description")]
+#if SYSTEM_JSON_TEXT_SERIALIZE_NON_PUBLIC_ACCESSORS
+  [JsonInclude]
+  private
+#else
+  [Obsolete($"This property is intended to be used only for JSON deserialization. Refer '{nameof(Description)}' to get the value.")]
+  public
+#endif
+  string? JsonPropertyDescription { get; set; }
+
+  [JsonPropertyName("dev_name")]
+#if SYSTEM_JSON_TEXT_SERIALIZE_NON_PUBLIC_ACCESSORS
+  [JsonInclude]
+  private
+#else
+  [Obsolete($"This property is intended to be used only for JSON deserialization. Refer '{nameof(Description)}' to get the value.")]
+  public
+#endif
+  string? JsonPropertyDevName { get; set; }
+
+  /// <summary>Gets the Kasa device's type name.</summary>
+  /// <remarks>The value would be like <c>IOT.SMARTBULB</c> for Kasa KL130, as an example.</remarks>
+  public string? TypeName =>
+#if !SYSTEM_JSON_TEXT_SERIALIZE_NON_PUBLIC_ACCESSORS
+#pragma warning disable CS0618
+#endif
+     JsonPropertyMicType ?? JsonPropertyType;
+#pragma warning restore CS0618
+
+  [JsonPropertyName("mic_type")]
+#if SYSTEM_JSON_TEXT_SERIALIZE_NON_PUBLIC_ACCESSORS
+  [JsonInclude]
+  private
+#else
+  [Obsolete($"This property is intended to be used only for JSON deserialization. Refer '{nameof(TypeName)}' to get the value.")]
+  public
+#endif
+  string? JsonPropertyMicType { get; set; }
+
+  [JsonPropertyName("type")]
+#if SYSTEM_JSON_TEXT_SERIALIZE_NON_PUBLIC_ACCESSORS
+  [JsonInclude]
+  private
+#else
+  [Obsolete($"This property is intended to be used only for JSON deserialization. Refer '{nameof(TypeName)}' to get the value.")]
+  public
+#endif
+  string? JsonPropertyType { get; set; }
+
+  /// <summary>Gets the Kasa device's model name.</summary>
+  /// <remarks>The value would be like <c>KL130(JP)</c> for Kasa KL130, as an example.</remarks>
+  [JsonPropertyName("model")]
+  public string? ModelName { get; init; }
+
+#pragma warning disable CA1819
+  /// <summary>Gets the Kasa device's current firmware ID.</summary>
+  /// <remarks>The value will be a <see cref="string"/> representing a HEX-encoded(Base16) byte array.</remarks>
+  [JsonPropertyName("fwId")]
+  [JsonConverter(typeof(Base16ByteArrayJsonConverter))]
+  public byte[]? FirmwareId { get; init; }
+#pragma warning restore CA1819
+
+  /// <summary>Gets the Kasa device's current firmware version string.</summary>
+  /// <remarks>The value would be like <c>x.y.z Build yyyyMMdd Rel. XXXXX</c>, as an example.</remarks>
+  [JsonPropertyName("sw_ver")]
+  public string? FirmwareVersion { get; init; }
+
+#pragma warning disable CA1819
+  /// <summary>Gets the Kasa device's hardware ID.</summary>
+  /// <remarks>The value will be a <see cref="string"/> representing a HEX-encoded(Base16) byte array.</remarks>
+  [JsonPropertyName("hwId")]
+  [JsonConverter(typeof(Base16ByteArrayJsonConverter))]
+  public byte[]? HardwareId { get; init; }
+#pragma warning restore CA1819
+
+  /// <summary>Gets the Kasa device's hardware version string.</summary>
+  /// <remarks>The value would be like <c>x.y</c>, as an example.</remarks>
+  [JsonPropertyName("hw_ver")]
+  public string? HardwareVersion { get; init; }
+
+#pragma warning disable CA1819
+  /// <summary>Gets the Kasa device's OEM ID.</summary>
+  /// <remarks>The value will be a <see cref="string"/> representing a HEX-encoded(Base16) byte array.</remarks>
+  [JsonPropertyName("oemId")]
+  [JsonConverter(typeof(Base16ByteArrayJsonConverter))]
+  public byte[]? OemId { get; init; }
+#pragma warning restore CA1819
+
+  /// <summary>Gets the <see cref="PhysicalAddress"/> that represents the Kasa device's MAC address.</summary>
+  public PhysicalAddress? MacAddress =>
+#if !SYSTEM_JSON_TEXT_SERIALIZE_NON_PUBLIC_ACCESSORS
+#pragma warning disable CS0618
+#endif
+    JsonPropertyMicMac ?? JsonPropertyMac;
+#pragma warning restore CS0618
+
+  [JsonPropertyName("mic_mac")]
+  [JsonConverter(typeof(MacAddressJsonConverter))]
+#if SYSTEM_JSON_TEXT_SERIALIZE_NON_PUBLIC_ACCESSORS
+  [JsonInclude]
+  private
+#else
+  [Obsolete($"This property is intended to be used only for JSON deserialization. Refer '{nameof(MacAddress)}' to get the value.")]
+  public
+#endif
+  PhysicalAddress? JsonPropertyMicMac { get; init; }
+
+  [JsonPropertyName("mac")]
+  [JsonConverter(typeof(MacAddressJsonConverter))]
+#if SYSTEM_JSON_TEXT_SERIALIZE_NON_PUBLIC_ACCESSORS
+  [JsonInclude]
+  private
+#else
+  [Obsolete($"This property is intended to be used only for JSON deserialization. Refer '{nameof(MacAddress)}' to get the value.")]
+  public
+#endif
+  PhysicalAddress? JsonPropertyMac { get; init; }
+
+  /// <summary>Gets the <see cref="decimal"/> that represents the RSSI (Received Signal Strength Indicator) of the network to which the Kasa device is currently connected, in dB.</summary>
+  /// <remarks>The value would be like <c>-30</c>, as an example.</remarks>
+  [JsonPropertyName("rssi")]
+  public decimal? NetworkRssi { get; init; }
+}

Notes

Full Changelog: releases/Smdn.TPSmartHomeDevices.Kasa-2.0.0-preview1...releases/Smdn.TPSmartHomeDevices.Kasa-2.0.0-preview2