auto door warning light safety anti-collision flash lights wireless magnetic signal lamp led night lamps car bulbs 4pcs/set

led hd beads, doubled safety index.living waterproof design.long life, durable for two years. clear and beautiful full coverage,paste and use, easy installation. door safey warning light, alternating sharp flashing, distinctive door opening at night induction switch, it is on when the door is opened, and off when closed. buyers may return the item(s) for a refund if they are not as described or with quality issues within 7 days from the day the item(s) were received.the buyer is required to afford the returning delivery cost, based on the condition of the item(s) received.