Each light bar is 12 lights length 22cm Wireless Music Control 7 Color RGB Interior Light Kit. High quality RGB LED strip. Wireless infrared control, you want to change the color. It also comes with a music control mode to make your car more attractive. Control modes: 4 music control modes, 8 signal color controls, brightness control, on/off, 2-segment skip mode control, 2-mode control for fade in and fade out. Application: suitable for lighting up the whole car interior, plug and play, no modification needed. Note: Brightness control only applies to LEDs in monochrome mode. Universal and Hidden: The back of the is made of strong 3M glue, you can stick the light strip firmly in the car. Designed with an extra-long cable, it is suitable for all types of cars. The four LED strips make it easy to install and hide the strips to keep your car clean and tidy. Light Moves With Sound: Led car interior Built-in high-sensitivity microphone, one-click switch of the music mode, the car lights flash and change with the rhythm of the music, dazzling, dreamy and colorful, creating the romantic atmosphere you want, increasing the driving pleasure day or night. 16 Million Colors to Choose From: Our interior car lights come in a variety of different colors to choose from, and you can create your own unique colors. Change a color, change a mood. Driving is no longer boring and life is more colorful. APP Control and Easy to Use: Our interior car accessories are controlled by APP, you don't have to worry about losing the remote control and you can't operate the lights. With our app, you can adjust the color, color change type, brightness and speed yourself. Suitable for All Vehicles: Our led car lights are USB powered and operate at 12V, which is safer than cigarette lighter adapters and generates less heat. The car led strip lights can be widely used in automobile, truck, home, KTV, party decoration. It is also the best gift choice for friends and family during the holiday season. especially at Christmas.