Upgraded Brightness: Each light includes 40pcs high-quality and durable LED, stably output super bright white reverse light, red running/brake light and amber turn signals light. The rear vehicles can clearly see your light changes during the day and night, ensure your travel safety. | Outstanding Materials: The clear and transparent PC lens can well display the lighting effect while isolating water, dust and sand. The outer sturdy iron frame can withstand collision and scratching. | Highly Sealed & Durable: The wear-resistant PC lens are wrapped with a waterproof silicone strip, and then tightly fixed with screws to the lamp body. The wires behind the light also use heat shrinkable tubes to effectively prevent water from entering the light. | Easy Installation: The back of the light is equipped with bolts on the left and right. the installation is completed by tightening the bolts; Wiring guidance: black wire for ground, green wire for running light, red wire for brake light, yellow wire for turn signals light, white wire for reverse light. | Wide Application: Can be perfectly used on most 10-30V heavy duty trucks, semi trailer, cargo trailers, boat trailers, travel trailers, horse trailers, RV, camper, UTV, Boat, Van, work vehicles etc.