APP CONTROL AND 16 MILLION COLORS: Our car mood lights are controlled using a wireless APP for IOS or Andriod. Choose any color you like from 16 million colors. Built-in 29 preset modes, APP control to turn on or off the lights, dim or brighten and even adjust the mode speed.Sound Active Effects: The LED interior light system is equipped with sound sensors that allow the LED lights to be synchronized to the beat of the music. The LED music light bar flickers with the beat to suit the intensity of the sound.Safe and Neat: The ambient light working voltage is DC12v, including the car charger and built-in fuse. It is installed in the gap, which can provide a good atmosphere effect for your car and make your car more tidy.Installed fiber lengths over 100 inches. If the brightness of the fiber end is dark, it is recommended to add 1Pc RGB LED lights at the end to make the fiber optic cable meet the brightness requirements.Works with all cars and trucks. Plug and play. You can cut each strip to the length you want. DIY as you like.