The Hopkins C7425 Towing LED Submersible Trailer Light Kit with Reverse Light is a patent pending LED square trailer light kit with integrated back-up lights. It's designed to conform to applicable DOT (USA FMVSS108 and Canadian CMVSS) safety standards for trailers under 80" wide. The LED PCB is epoxy coated - to further resist moisture and vibration, extending the life of these bulbs up to 7 times that of incandescent kits. The back-up lighting function is 350 lumens of light- providing illumination to more accurately back, dock or garage trailers. The back-up light also provides a visual warning to others that the trailer is moving in reverse. Lenses are sonically sealed to provide protection from moisture and corrosion. Additionally, all electronics are potted with water resistant epoxy for a second layer of defense. The stop/tail/turn lights feature universal back and side mount options, including sliding bolt heads. Kit includes 2 stop/tail/turn lights, a 20 ft. 5-way wire harness, corrosion resistant license plate bracket, mounting hardware, and trilingual instructions. Note: 7 Blade to 5 Way Flat needed for installation - suggest: Hopkins 47385. More help/questions: 800-835-0129 M-F 8am-5pm central.