wireless car door warning light

About this item
UNIVERSAL DESIGN: Fit for any cars, SUV, truck. Wireless design, do not destroy the original car lines, only need to stick them at the door
HOW THE WARNING WORK: When the door opened, the RED light flashing, warning the rear pedestrian or vehicle, to avoid accident or collision
3 MODES FLASHING----- 0-7 Seconds: All Led Rapid Flashing. 7-60 Seconds: Each Led Sequential Flashing. 60-110 seconds: Each Led Slow Swirl Flashing. Automatic power off after 110 second.