Trailer lights can be fragile, but they are completely necessary for towing. Whether you're a contractor on your way to the jobsite or just a casual fisherman heading to the boat landing, you need working trailer lights to tow safely and legally. For any towing setup, CURT offers quality, DOT-approved trailer lighting, including complete wiring kits, combination lights and replacement lighting components. This CURT submersible combination light is designed to be a passenger-side trailer light. Its molded housing and molded lenses feature a watertight construction to offer maximum protection of the internal components, even when submersed under water. This makes the submersible taillight the ideal light for boat trailers, personal watercraft trailers and other marine trailers. It is legal for trailer 80" wide and larger and securely mounts with the included hardware. It does not have a separate light for license plate illumination.