Features: Advanced LEDs draw less current and much brighter than incandescent bulbs. Compatible with most 12V vehicles such as trailers, tractors, trucks, RV, camper, bus, boat, UTV, etc. Lower consumption and power saving, ensures long-term use for your vehicles.Specifications 3 wires for ground, brake/turn, and tail light functions Outside surface mount measures 7 1/2" L x 3 1/4" W Actual light measures 6 3/8" L x 2 1/8" W LED Type: High quality SMD LED Color: Super bright red Working Voltage: 12V DC Waterproof rate: IP67Applications:Compatible with trucks, trailers, tractors, semi-trailer, dump truck, bus, boat, Heavy duty trucks tractors like Peterbilt, freightliner, international, Kenworth, Mack, Western Star,Volvo,Paccar etc.Package Includes : 2 x LED Trailer Lights