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As a driver, you know how dangerous when opening the car door. Our Magnetic car door warning light will help you avoid possible accidents or collisions!
Intelligent Induction: Built-in magnetic sensor - the warning light will start flashing for two minutes once the car door is opened, and then the light will turn off automatically.
Safety: This bright warning light will alert the rear vehicles, bikes, and pedestrians when you open the door.
NO WIRING! It only takes a minute with simple plug-and-play installation.
Waterproof lights mean it will work even after a carwash or in the rainy season.