Universal Wireless Car Door LED Warning Lights, Car Door Warnning Lights, Roadside Flashing Flares Safety Warning Light, Waterproof Design, Strobe Lights for Anti rear-end Collision (Red) (4PCS)

?【High Quality】: Universal Wireless Car Door LED Warning Light is made of high-quality ABS material, button battery, bright LED lamp beads, waterproof, high temperature resistant, low consumption, and stable performance., ?【Working Principle】: Built-in magnetic sensor, when the door is opened, the red light flashes to warn the pedestrians or vehicles behind to avoid accidents or collisions., ?【Waterproof Design】: The inner layer is finely made, and the waterproof ring is added to better protect the main control panel., ?【Easy to Install】: The door anti-collision warning light is installed without damage, without wiring, and can be used after pasting, which is more considerate., ?【Widely Used】: The car door warning lights can be used in garages, workshops, motorhomes, boats, and outdoor adventures.