diff --git a/HISTORY.md b/HISTORY.md
new file mode 100644
index 0000000..58d8f26
--- /dev/null
+++ b/HISTORY.md
@@ -0,0 +1,69 @@
+History
+==
+
+0.4.0 (2025-11-19)
+--
+* Feature
+1. Add RGB support for Env module v2.x+
+   - New properties: `red`, `green`, `blue`, `white`, `black`
+   - New properties: `color_class` (0-5: unknown/red/green/blue/white/black)
+   - New property: `brightness` (0-100%)
+   - Automatic version detection (v1.x: not supported, v2.x+: supported)
+2. Enhanced GitHub Actions workflows
+   - Support Python 3.8-3.13 across all platforms
+   - Platform-specific compatibility fixes (macOS, Windows)
+   - Improved CI/CD with conditional linting (flake8 for 3.8-3.11, ruff for 3.12+)
+
+* Tests
+1. Add 31 new RGB-related tests
+   - Version compatibility tests
+   - RGB property tests
+   - Data type validation tests
+   - Total: 94 tests (all passing)
+
+* Documentation
+1. Complete RGB feature documentation
+2. GitHub Actions compatibility guides
+3. Branch protection setup guide
+
+0.3.0 (2023-01-19)
+--
+* Feature
+1. Add `draw_dot` function on display module
+
+* Patch
+1. Fix `write_text` function error on display module if text length is 23
+2. Change module constructor argument from uuid to id
+
+0.2.1 (2022-12-02)
+--
+* Patch
+1. Refactor `write_text` input type on display module
+
+0.2.0 (2022-12-02)
+--
+* Feature
+1. Refactor getter/setter for each MODI+ module
+
+0.1.1 (2022-11-23)
+--
+* Feature
+1. Change python minimum version to 3.7
+
+0.1.0 (2022-11-22)
+--
+* Feature
+1. Add creation examples (brush, dodge)
+2. Add network, battery module functions
+3. Fix `play_music` function on speaker module
+4. Add preset resource on speaker and display module
+5. Add search module time and timeout exception
+
+0.0.2 (2022-11-18)
+--
+* Feature
+1. Change python minimum version to 3.9
+
+0.0.1 (2022-11-15)
+--
+* Release initial version of the package on in-house GitHub
diff --git a/examples/basic_usage_examples/env_rgb_example.py b/examples/basic_usage_examples/env_rgb_example.py
index 4dbd2f4..41df279 100644
--- a/examples/basic_usage_examples/env_rgb_example.py
+++ b/examples/basic_usage_examples/env_rgb_example.py
@@ -1,9 +1,14 @@
-"""Example of using Env module RGB properties
+"""Example of using Env module RGB and color properties
 
-This example demonstrates how to use the RGB color sensor properties
-of the Env module. RGB properties are only available in version 2.x and above.
+This example demonstrates how to use the color sensor properties
+of the Env module including:
+- RGB (red, green, blue) values
+- White and Black values
+- Color class detection (red/green/blue/white/black/unknown)
+- Brightness value
 
-Note: This example tests ALL connected Env modules.
+Note: These properties are only available in version 2.x and above.
+This example tests ALL connected Env modules.
 """
 
 import modi_plus
@@ -36,7 +41,7 @@ def test_env_module(env, index):
     bundle = modi_plus.MODIPlus()
 
     print("=" * 60)
-    print("Env Module RGB Example - Multi-Module Support")
+    print("Env Module Color Sensor Example - Multi-Module Support")
     print("=" * 60)
 
     # Check how many Env modules are connected
@@ -57,17 +62,37 @@ def test_env_module(env, index):
     # If any module supports RGB, start continuous reading
     if rgb_supported_modules:
         print(f"\n{'=' * 60}")
-        print(f"Reading RGB values from {len(rgb_supported_modules)} module(s)")
+        print(f"Reading color sensor values from {len(rgb_supported_modules)} module(s)")
         print("Press Ctrl+C to stop")
         print(f"{'=' * 60}\n")
 
+        # Color class 이름 매핑
+        color_names = {
+            0: "unknown",
+            1: "red",
+            2: "green",
+            3: "blue",
+            4: "white",
+            5: "black"
+        }
+
         try:
             while True:
-                # Read and display RGB from all supported modules
+                # Read and display all color properties from all supported modules
                 for idx, env in rgb_supported_modules:
                     try:
                         r, g, b = env.rgb
-                        print(f"Module #{idx + 1}: RGB=({r:3d}, {g:3d}, {b:3d})", end="  ")
+                        white = env.white
+                        black = env.black
+                        color_class = env.color_class
+                        brightness = env.brightness
+                        color_name = color_names.get(color_class, "unknown")
+                        
+                        print(f"Module #{idx + 1}: ", end="")
+                        print(f"RGB=({r:3d},{g:3d},{b:3d}) ", end="")
+                        print(f"W={white:3d} B={black:3d} ", end="")
+                        print(f"Bright={brightness:3d} ", end="")
+                        print(f"Color={color_name:7s}", end="  ")
                     except Exception as e:
                         print(f"Module #{idx + 1}: Error - {e}", end="  ")