It can be installed in both left and right door.Automotive lighting decoration、 pleasing light visual experience、 improve the grade of the car.Easily to install it yourself with the 3M adhesive sticker. Wireless design、 no more troubles of making holes.Magnet sensor design、 it will light up when you open the door and turn off once you close the door. It is suitable for all vehicles. There is ON/OFF switch to control the light. Specifications:Color: BlackMaterial: ABSPower: 3 x AAA battery(not included)Size: 6.7*6.7*2cmPackage Content:2 x Wireless LED Car Laser Projector4 x Sticker2 x Magnet