Sell car door✕4 PCS Wireless LED Car Door Opening Warning Lights Strobe Flashing Anti Rear-end Collision best price

Features: 1. Automatically senses lights up and light off when car door open and closes, which plays a very good warning role. 2. First 6 seconds "rapid flash" mode, the best warning to the rear of the car. After 110 seconds of lighting, it will be off automatically. 3. Easy installation, wireless design, do not destroy the original car line, just paste the way to DIY can be a warning. 4. Waterproof design new magnetoresistance effect, when the magnet and the warning light generate a certain distance, the light is automatically turned off, and when separating it is automatically turned on. 5. Strong battery life, long service time, powered by a button battery, easy to replace by yourself. Specification: Material: ABS Voltage: 5V Size: 28x8mm Powered by: Button Battery(Included) Include: 4x light