The star ceiling can make your car romantic and unique, similar to the most luxurious cars, but requires some practical skills. DC12V, suitable for cars, music mode, 24-key multi-function remote control, easy to use. It uses RGBW bulbs, has pure white which is best for the stars. High brightness, energy saving, long lifespan. Condition: Fiber type: 1000 strands X 0.5mm X 2m long fiber optic cable Type of each fiber: End-glow pmma fiber optic cable Fiber optic cable operating temperature: -20°C to 50°C. Working voltage: DC5/12V/24V Power: 16W LED chip: RGBW LED Remote control: RF 24-key remote control Remote control change mode: static 15 colors (red, green, blue, yellow, mixed white, pure white, cyan, purple, etc.) and RGB light change, fade, jump, sparkle and brightness adjustment, mode speed and sound sensitivity adjustment. Engine size: L110mm x W64mm x H38mm Lifespan: 50,000 hours Smartphone APP Bluetooth-compatible control: 1. Download the APP \"LED BLE \" 2. Connect a Bluetooth-compatible device (1) Open the mobile phone's Bluetooth-compatible. (2) Turn on the light; then open the APP; (3) At this point, the APP will automatically connect to the Bluetooth-compatible light. (Supported systems: Android 4.4 and above/IOS9.0 and above Connection mode: Bluetooth-compatible 4.0) Note: Do not manually connect Bluetooth-compatible to this device in the phone settings. Color: As shown Material: ABS+Aluminum Package contents: 1x RGBW light 1x RF remote control 1x 1000pcs 0.5mm x 2m optical fiber cable 1x Cigarette lighter 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 allowed measurement error is +/- 1-3 cm.