The Optronics Sealed Mini Rectangular LED Marker/Clearance Light for Trailers is a stud-mount LED unit. It features a sonically sealed, waterproof lens and housing in a single unit. This single-wire design grounds through the mounting stud. Amp draw/voltage is .051A/12.8V. 3 diodes. Colors: Amber, Red. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Trailer Accessories.