Dream Lighting 12V LED Under-Cabinet Strip Light with Switch 24" Cool White for RV, Car, Marine, Camper and Motorhome *12volt DC* This slim strip light covers a wide applications in caravan, camper trailer, RV, motorhome and boat. For home uses (110V AC), you need to wire it to a proper transformer (not included). It is equipped with a programmed switch for select the 2 brightness: 280 lumens & 650 lumens. Whats more, it is illuminated for use at night. Excellent light uniformity, great light output, even and soft light without glare. Unlike the traditional fragile light tubes, it is made of durable PC and aluminum materials. It is much safer. Surface mount installation. Mounting screws are included. Wiring: black wire for positive and white wire for negative/ground. One year warranty.