These completely waterproof, premium lights can be used for most custom trailers. Their polycarbonate lens is sonically welded to the housing to provide a permanent seal. They can be used on both the curbside and roadside of your trailer and are legal in either the horizontal or vertical position. The complete assembly includes the two lights, brackets, grommets and wiring plug. 2-1/4"H x 6-1/2"W x 2-3/8"D