Description:1.This product is wireless especially unique designed for auto modification fancier and it will not destroy the original car appearance. it can bring more driving fun to drivers 2.The dazzle logo light and the signal light will display on the ground when you open the car door and it will be turn off when you close the door 3.It can be installed in both left & right door. Courtesy door light make your car artistic moreover the atmosphere Easy installation. No need drill hole. Just stick the light lamp on the door panel and stick the magnet on the bottom of the car frame. No harm to car Details:1. 100% Brand New2.Voltage : 4.5V3.Powe:Use 3 pcs of AAA batteries (not include)4.Output power: 3W5.Operating temperature: -40 degrees~105 degrees6. High Power Led inside5. Energy Saved6. No need dirll a hole on your car door7.Easy to be installedPackage including:A pair of Door Laser wireless sensor Light LampsIn Case You would like to use in 4 cardoors，You need 2 Pairs.