Synchronize with Screen: The monitor backlight is designed to synchronize with the content displayed on 27 inch monitors, with a synchronization speed of 20 frames per second to create an immersive visual experience and supplement your media consumption. Real time synchronization: Through real-time synchronization, RGB LED bar lights can instantly change color based on screen content such as and games, enhancing your viewing experience and adding vitality to your workspace. Easy to assemble and use: Stick light strip on the back of the computer and connect it to the App software to achieve screen color matching function. Size:27inch Colour:Black Material:Plastic Package Contents: 1 * led strip lights 1 * Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.