Cool Door Warning Lights

New arrival 2in1 car door warning light anti collision flashing safety and welcome light universal for most cars easy installation high quality 2835 led beads low power consumption long life span strobe flashing anti rear-end collision safety lamps anti-collision, flashing alarm waterproof, dust-proof wiring: red wire connect positive , yellow wire connect negative . product name: 2in1 car door warning light and welcome light strip car door collision warning lamp warning door opening and welcome car door lamp