Innovative Lighting 580-0200-7 Docking Lights Docking, Hull, Back-up Lights 580 Series Sold as a Pair Operates 12 Volt DC Systems 50 Watt Halogen Lamp Draws 4 Amps Each Sealed Built-in Rear Heat Sink Thermal Insulated Wires Pyrex Optical Lens Spring Loaded Lamp Assembly Removable Lens Cover Water Tight Gaskets Included 7.60" x 4.15" x 3.75"