SeaChoice Single Diode LED Mini Sealed Marker/Clearance Trailer Light - The Seachoice Single Diode LED Mini Sealed Marker/Clearance Trailer Light has a polycarbonate lens and housing unit and is sonically sealed, making it waterproof. Meets the requirements of SAE/DOT/FMVSS/CMVSS standards when properly installed Surface mount installation Accepts standard 1 or 2-wire plugs Single wire design grounds through mounting hardware Base and mounting hardware included Single diode