[Unique 9 In 1 & Tips] This interior led light kit contains 5 x fiber optic lights, 4 x under dash lights. The length of fiber optical is 236 inches, you can cut it into 5 strips, there are 5 LEDs. Each fiber optic is connected to one LED, If the fiber is too long, it is recommended to add one led at each end, to ensure sufficient brightness. Please use and check the lighting effect at night.,[Convenient APP Control] The car LED strip lights are equipped with wireless app control, allowing you to conveniently turn lights on/off, adjust the lighting effects, colors, timing, and brightness through your smartphone. This wireless control feature adds convenience and ensure your safety when driving.,[16 Million Colors for DIY] With over 16 million color and 29 preset modes options available, you can easily customize the lighting to suit your preferences. Whether you prefer a cool blue, an energetic red, or any other color in the color system, whether you want to match your mood, your car’s interior theme, or simply add an eye-catching element to your driving experience, the QVEVDACAR ambient lighting kit has covered.,[Music Sensor] Built-in sound sensitive function, the car atmosphere light can sync with the rhythm and beat of the music playing, creating a dynamic and exciting atmosphere inside the car. This feature adds an extra entertainment to your driving experience during road trips. Lights make travel a party, never boring.,[Widely Used] The inside car lights working voltage is 12v, powered by the cigarette lighter, extremely low heat to keep children safe. LED lights interior are suitable for cars, trucks, vans, SUVs, and other vehicles, the car led light strip is installed in the gap, which can provide a romantic atmosphere and make your car tidy.