Product name: Automotive LED door lamp Color of light: red, blue, yellow, color Product material: magnet, ABS plastic. Product size: about 25 mm * 9 mm Product weight: 27 g (including packaging) Product installation: installation is not required Using the product: preventing the danger of pedestrians that suddenly open the car door. Functions: 1. New LED lights to prevent collisions. 2. When the door is open, it will flash quickly, warning the back to avoid accidents. 3. A wireless connection, simply attach it to the car door. 4. A waterproof cover and a built -in high -tech sensor of components, a long service life. 5. Food from the button battery, it is easy to replace yourself. Due to different screen settings, the color of the product can differ slightly from the image. Please take into account small differences in sizes due to various measurements manually.