attwood 6320B7 Multi-Purpose Round Interior and Exterior LED Light, with Black Plastic Bezel Help illuminate buoys, channel markets and docks. NOT for open water Use 12 Volt and 5 watt power with Minimal amperage draw 10-year Warranty Fully sealed, waterproof electronics are resistant to impact, corrosion, chemicals and UV damage Less than 1-inch thick, the lights are designed to be mounted to the surface of the hullwith only a small Hole for wiring and 5 screws attachment