diff --git a/DATA_AND_PRIVACY.md b/DATA_AND_PRIVACY.md
index 66a0daa1d8..07089e44c3 100644
--- a/DATA_AND_PRIVACY.md
+++ b/DATA_AND_PRIVACY.md
@@ -694,6 +694,30 @@ _If you want to find diagnostic data events in the source code, these two links
   </tr>
 </table>
 
+### Light Switch
+<table style="width:100%">
+  <tr>
+    <th>Event Name</th>
+    <th>Description</th>
+  </tr>
+  <tr>
+    <td>Microsoft.PowerToys.LightSwitch_EnableLightSwitch</td>
+    <td>Triggered when Light Switch is enabled or disabled.</td>
+  </tr>
+  <tr>
+    <td>Microsoft.PowerToys.LightSwitch_ShortcutInvoked</td>
+    <td>Occurs when the shortcut for Light Switch is invoked.</td>
+  </tr>
+  <tr>
+    <td>Microsoft.PowerToys.LightSwitch_ScheduleModeToggled</td>
+    <td>Occurs when a new schedule mode is selected for Light Switch.</td>
+  </tr>
+  <tr>
+    <td>Microsoft.PowerToys.LightSwitch_ThemeTargetChanged</td>
+    <td>Occurs when the options for targeting the system or apps is updated.</td>
+  </tr>
+</table>
+
 ### Mouse Highlighter
 <table style="width:100%">
   <tr>
diff --git a/src/modules/LightSwitch/LightSwitchModuleInterface/dllmain.cpp b/src/modules/LightSwitch/LightSwitchModuleInterface/dllmain.cpp
index 11cfd412b0..bab4e30797 100644
--- a/src/modules/LightSwitch/LightSwitchModuleInterface/dllmain.cpp
+++ b/src/modules/LightSwitch/LightSwitchModuleInterface/dllmain.cpp
@@ -405,6 +405,7 @@ public:
     {
         m_enabled = true;
         Logger::info(L"Enabling Light Switch module...");
+        Trace::Enable(true);
 
         unsigned long powertoys_pid = GetCurrentProcessId();
         std::wstring args = L"--pid " + std::to_wstring(powertoys_pid);
@@ -482,7 +483,8 @@ public:
             CloseHandle(m_process);
             m_process = nullptr;
         }
-
+        
+        Trace::Enable(false);
         StopToggleListener();
     }
 
@@ -539,6 +541,8 @@ public:
         if (m_enabled)
         {
             Logger::trace(L"Light Switch hotkey pressed");
+            Trace::ShortcutInvoked();
+
             if (!is_process_running())
             {
                 enable();
diff --git a/src/modules/LightSwitch/LightSwitchModuleInterface/trace.cpp b/src/modules/LightSwitch/LightSwitchModuleInterface/trace.cpp
index 57fa1921f7..40fc67e679 100644
--- a/src/modules/LightSwitch/LightSwitchModuleInterface/trace.cpp
+++ b/src/modules/LightSwitch/LightSwitchModuleInterface/trace.cpp
@@ -19,12 +19,21 @@ void Trace::UnregisterProvider()
     TraceLoggingUnregister(g_hProvider);
 }
 
-void Trace::MyEvent()
+void Trace::Enable(bool enabled) noexcept
 {
     TraceLoggingWrite(
         g_hProvider,
-        "PowerToyName_MyEvent",
+        "LightSwitch_EnableLightSwitch",
+        ProjectTelemetryPrivacyDataTag(ProjectTelemetryTag_ProductAndServicePerformance),
+        TraceLoggingKeyword(PROJECT_KEYWORD_MEASURE),
+        TraceLoggingBoolean(enabled, "Enabled"));
+}
+
+void Trace::ShortcutInvoked() noexcept
+{
+    TraceLoggingWrite(
+        g_hProvider,
+        "LightSwitch_ShortcutInvoked",
         ProjectTelemetryPrivacyDataTag(ProjectTelemetryTag_ProductAndServicePerformance),
-        TraceLoggingBoolean(TRUE, "UTCReplace_AppSessionGuid"),
         TraceLoggingKeyword(PROJECT_KEYWORD_MEASURE));
 }
diff --git a/src/modules/LightSwitch/LightSwitchModuleInterface/trace.h b/src/modules/LightSwitch/LightSwitchModuleInterface/trace.h
index 55cdedb2ee..bfa32062b9 100644
--- a/src/modules/LightSwitch/LightSwitchModuleInterface/trace.h
+++ b/src/modules/LightSwitch/LightSwitchModuleInterface/trace.h
@@ -11,5 +11,6 @@ class Trace
 public:
     static void RegisterProvider();
     static void UnregisterProvider();
-    static void MyEvent();
+    static void Enable(bool enabled) noexcept;
+    static void ShortcutInvoked() noexcept;
 };
diff --git a/src/modules/LightSwitch/LightSwitchService/LightSwitchService.cpp b/src/modules/LightSwitch/LightSwitchService/LightSwitchService.cpp
index b6684da54e..8919f4274b 100644
--- a/src/modules/LightSwitch/LightSwitchService/LightSwitchService.cpp
+++ b/src/modules/LightSwitch/LightSwitchService/LightSwitchService.cpp
@@ -14,6 +14,7 @@
 #include "LightSwitchStateManager.h"
 #include <LightSwitchUtils.h>
 #include <NightLightRegistryObserver.h>
+#include <trace.h>
 
 SERVICE_STATUS g_ServiceStatus = {};
 SERVICE_STATUS_HANDLE g_StatusHandle = nullptr;
@@ -357,6 +358,8 @@ DWORD WINAPI ServiceWorkerThread(LPVOID lpParam)
 
 int APIENTRY wWinMain(HINSTANCE, HINSTANCE, PWSTR, int)
 {
+    Trace::LightSwitch::RegisterProvider();
+
     if (powertoys_gpo::getConfiguredLightSwitchEnabledValue() == powertoys_gpo::gpo_rule_configured_disabled)
     {
         wchar_t msg[160];
@@ -364,12 +367,14 @@ int APIENTRY wWinMain(HINSTANCE, HINSTANCE, PWSTR, int)
             msg,
             L"Tried to start with a GPO policy setting the utility to always be disabled. Please contact your systems administrator.");
         Logger::info(msg);
+        Trace::LightSwitch::UnregisterProvider();
         return 0;
     }
-
     int argc = 0;
     LPWSTR* argv = CommandLineToArgvW(GetCommandLineW(), &argc);
     int rc = _tmain(argc, argv); // reuse your existing logic
     LocalFree(argv);
+
+    Trace::LightSwitch::UnregisterProvider();
     return rc;
 }
\ No newline at end of file
diff --git a/src/modules/LightSwitch/LightSwitchService/LightSwitchService.vcxproj b/src/modules/LightSwitch/LightSwitchService/LightSwitchService.vcxproj
index e1c8052de6..b8e51ee489 100644
--- a/src/modules/LightSwitch/LightSwitchService/LightSwitchService.vcxproj
+++ b/src/modules/LightSwitch/LightSwitchService/LightSwitchService.vcxproj
@@ -80,6 +80,7 @@
     <ClCompile Include="SettingsConstants.cpp" />
     <ClCompile Include="ThemeHelper.cpp" />
     <ClCompile Include="ThemeScheduler.cpp" />
+    <ClCompile Include="trace.cpp" />
     <ClCompile Include="WinHookEventIDs.cpp" />
   </ItemGroup>
   <ItemGroup>
@@ -94,6 +95,7 @@
     <ClInclude Include="SettingsObserver.h" />
     <ClInclude Include="ThemeHelper.h" />
     <ClInclude Include="ThemeScheduler.h" />
+    <ClInclude Include="trace.h" />
     <ClInclude Include="WinHookEventIDs.h" />
   </ItemGroup>
   <ItemGroup>
diff --git a/src/modules/LightSwitch/LightSwitchService/LightSwitchService.vcxproj.filters b/src/modules/LightSwitch/LightSwitchService/LightSwitchService.vcxproj.filters
index 55c7bde39b..a704e87073 100644
--- a/src/modules/LightSwitch/LightSwitchService/LightSwitchService.vcxproj.filters
+++ b/src/modules/LightSwitch/LightSwitchService/LightSwitchService.vcxproj.filters
@@ -39,6 +39,9 @@
     <ClCompile Include="NightLightRegistryObserver.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="trace.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="ThemeScheduler.h">
@@ -68,6 +71,9 @@
     <ClInclude Include="NightLightRegistryObserver.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="trace.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Natvis Include="$(MSBuildThisFileDirectory)..\..\natvis\wil.natvis" />
diff --git a/src/modules/LightSwitch/LightSwitchService/LightSwitchSettings.cpp b/src/modules/LightSwitch/LightSwitchService/LightSwitchSettings.cpp
index 5221a197fe..488142b95b 100644
--- a/src/modules/LightSwitch/LightSwitchService/LightSwitchSettings.cpp
+++ b/src/modules/LightSwitch/LightSwitchService/LightSwitchSettings.cpp
@@ -5,6 +5,7 @@
 #include <filesystem>
 #include <fstream>
 #include <logger.h>
+#include <LightSwitchService/trace.h>
 
 using namespace std;
 
@@ -151,6 +152,7 @@ void LightSwitchSettings::LoadSettings()
             if (m_settings.scheduleMode != newMode)
             {
                 m_settings.scheduleMode = newMode;
+                Trace::LightSwitch::ScheduleModeToggled(val);
                 NotifyObservers(SettingId::ScheduleMode);
             }
         }
@@ -220,6 +222,8 @@ void LightSwitchSettings::LoadSettings()
             }
         }
 
+        bool themeTargetChanged = false;
+
         // ChangeSystem
         if (const auto jsonVal = values.get_bool_value(L"changeSystem"))
         {
@@ -227,6 +231,7 @@ void LightSwitchSettings::LoadSettings()
             if (m_settings.changeSystem != val)
             {
                 m_settings.changeSystem = val;
+                themeTargetChanged = true;
                 NotifyObservers(SettingId::ChangeSystem);
             }
         }
@@ -238,9 +243,16 @@ void LightSwitchSettings::LoadSettings()
             if (m_settings.changeApps != val)
             {
                 m_settings.changeApps = val;
+                themeTargetChanged = true;
                 NotifyObservers(SettingId::ChangeApps);
             }
         }
+
+        // For ChangeSystem/ChangeApps changes, log telemetry
+        if (themeTargetChanged)
+        {
+            Trace::LightSwitch::ThemeTargetChanged(m_settings.changeApps, m_settings.changeSystem);
+        }
     }
     catch (...)
     {
diff --git a/src/modules/LightSwitch/LightSwitchService/trace.cpp b/src/modules/LightSwitch/LightSwitchService/trace.cpp
new file mode 100644
index 0000000000..99afe7a95d
--- /dev/null
+++ b/src/modules/LightSwitch/LightSwitchService/trace.cpp
@@ -0,0 +1,43 @@
+#include "pch.h"
+#include "trace.h"
+
+// Telemetry strings should not be localized.
+#define LoggingProviderKey "Microsoft.PowerToys"
+
+TRACELOGGING_DEFINE_PROVIDER(
+    g_hProvider,
+    LoggingProviderKey,
+    // {38e8889b-9731-53f5-e901-e8a7c1753074}
+    (0x38e8889b, 0x9731, 0x53f5, 0xe9, 0x01, 0xe8, 0xa7, 0xc1, 0x75, 0x30, 0x74),
+    TraceLoggingOptionProjectTelemetry());
+
+void Trace::LightSwitch::RegisterProvider()
+{
+    TraceLoggingRegister(g_hProvider);
+}
+
+void Trace::LightSwitch::UnregisterProvider()
+{
+    TraceLoggingUnregister(g_hProvider);
+}
+
+void Trace::LightSwitch::ScheduleModeToggled(const std::wstring& newMode) noexcept
+{
+    TraceLoggingWriteWrapper(
+        g_hProvider,
+        "LightSwitch_ScheduleModeToggled",
+        ProjectTelemetryPrivacyDataTag(ProjectTelemetryTag_ProductAndServicePerformance),
+        TraceLoggingKeyword(PROJECT_KEYWORD_MEASURE),
+        TraceLoggingWideString(newMode.c_str(), "NewMode"));
+}
+
+void Trace::LightSwitch::ThemeTargetChanged(bool changeApps, bool changeSystem) noexcept
+{
+    TraceLoggingWriteWrapper(
+        g_hProvider,
+        "LightSwitch_ThemeTargetChanged",
+        ProjectTelemetryPrivacyDataTag(ProjectTelemetryTag_ProductAndServicePerformance),
+        TraceLoggingKeyword(PROJECT_KEYWORD_MEASURE),
+        TraceLoggingBoolean(changeApps, "ChangeApps"),
+        TraceLoggingBoolean(changeSystem, "ChangeSystem"));
+}
\ No newline at end of file
diff --git a/src/modules/LightSwitch/LightSwitchService/trace.h b/src/modules/LightSwitch/LightSwitchService/trace.h
new file mode 100644
index 0000000000..a06177075b
--- /dev/null
+++ b/src/modules/LightSwitch/LightSwitchService/trace.h
@@ -0,0 +1,17 @@
+#pragma once
+
+#include <common/Telemetry/TraceBase.h>
+#include <string>
+
+class Trace
+{
+public:
+    class LightSwitch : public telemetry::TraceBase
+    {
+    public:
+        static void RegisterProvider();
+        static void UnregisterProvider();
+        static void ScheduleModeToggled(const std::wstring& newMode) noexcept;
+        static void ThemeTargetChanged(bool changeApps, bool changeSystem) noexcept;
+    };
+};