Balmar Multi-Light Corrosion Resistant Light Fixture Without Switch, 7"L x 4-1/2"W x 4"H. Constructed from high-impact polycarbonate, with a light magnifying fresnel glass lens, and plastic lens guard, the Multi-Lite is rugged enough to withstand life in the engine room. Its unique design allows use in 12, 24, and/or 32-volt DC systems, as well as 115/230-volt AC systems. Standard, medium-based bulbs between 15 and 40-watt ratings are recommended. Can be installed vertically or horizontally. Weatherproof gaskets are included