2Pcs Universal Car Door Opening Projector Warning Lights Signal Light Open Door Anti-Collid Red

Product Name:car door collision warning lampPower:5V CR2032 Button Battery(Not Include)This product applies to all models cars,New LED technology anti-collision lights,build in high- component sensor,long service lifeWhen the door is opened,it flashes ,warning the rear to avoid the accident occurredNo external wire,just paste on to your car door easilyColor:RedMaterial:ABS +magnetSize:2.7*0.8cmPackage Contents:1 set *2 pcs Car Door Warning LightsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.