Kaizen 2 Pcs OEM Fit Super Bright LED Laser Ghost Shadow CREE Door Step Courtesy Welcome Light Lamps For Audi A4 A6 R8 Q3 CAN-bus No Error Logo "S Line" Super Bright.-- Laser Projector Under Door Courtesy light for Audi.One Cree LED in it.2 lights perfectly illuminate the ground and show welcome when you open the door. Easy to instal.--Just taked out the your old light and insert this product without change wires or drill hole.All of our LED bulbs are designed for easy DIY installation & direct replacement. Hight quality.--The construction/ build quality is top notch.It will prevent one less ticket at a DOT stop.This is to replace our door light.Built-in CAN-bus controller, complete no onboard computer error. Water proof.--It will never experience any issues with rain, water, mud or dirt getting into it. Other DIY.--This one fits the bill. Lots of light for a small amount of current draw. In pitch black conditions, it will light up a whole room. You can't read a paper by it, but you can see where you are going. If you mounted it on a desk.You can use it on your boat,bike or motorbike which have 12Vdc power as well .