Product DescriptionGreat for dry dock lighting, pleasure craft, ocean vessels, and anywhere a corrosion-resistant lamp is needed, Hobbs Marine Lamps are completely weatherproof. They are totally sealed against moisture ingress, and the mounting hardware is stainless steel to prevent rust and corrosion. The housing is shock-resistant. This 50-watt flood lamp is designed to illuminate an 80°W x 30°H area of 50'W x 30'L. Hobbs 12V sealed beam replacement lamp measures 4.49"H x 6.9"W overall. Direct replacement for 4" x 6" marine flood lamp (item #80149).