Thank you for your sponsorship. If there are any problems with the product, please leave me a message in time. I will definitely be able to solve this problem quickly and efficiently. Please do not make any complaints before sending us a message as this may take longerSolve the problem Product description Size: 5 inches 16MAPP function: Wireless Bluetooth APP control.16 million colors.With 29 built-in patterns, you can create any color and pattern you want.360 degree adjustment.The minimalist design creates a beautiful, exotic and romantic interior space for you.LED lights have less heat radiation, low power consumption and long life.Use high-brightness tubes and high-quality LEDsSpecification. :Strip length: 236 inchesVoltage: DC 12V ColorLighting: RGBMulticolor LED Type: SMD5050Mobile App Control: iOS and Androidinstallation steps:1.Cut the clear tube to the length to be installed. 2. Pass the optical fiber through the transparent tube.3. Use a spudger to push the clear tube into the gap.4. Connect the fiber optic to the LED and tighten the screws.5. Hide cables and LEDs.If the door is separate: Hidden inside the door or on the center console or dashboard.If the car doors dont come apart: You can hide the LED under the carpet or stick it on the floor or wherever you want.Steps to connect the application:1. Scan the QR code on the control box or search for Lotus flashlight in the app store.2. Turn on your phones Bluetooth.3. Open the app and connect the light(Connect Bluetooth to the app, not phone settings).Package Contents:5-in-1 RGB LED Light Strip Kit,1 fiber optic (236 inches),1 clear PVC pipe (236 inches),1 car charger (built-in fuse),1 installation instruction.Test lights before installation. (Turn on the car charger button switch)Getting all the fibers through the clear tube can be difficult.You can cut the clear tube to the appropriate length and thread the optical fiber through it.About service: We provide customers with high-quality products and the best service. If you find any problems after receiving the product, please contact us immediately. We provide customer security and emergency response. If you have any questions, please contact us.