Perko Stainless Steel Round Bi-Color Boat Navigation LightThis Perko Stainless Steel Round Bi-Color Boat Navigation Light is composed of a stainless steel top and a black polymer base. Designed for maximum durability and long lasting use, it features starboard (green) and port (red) lenses. Certified for use on sail and power driven vessels under 12 meters (39.4 ft.) in length, this boat navigation light will make a great addition to your boat.Features: Certified For Use On Sail and Power Driven Vessels Under 12 Meters (39.4 ft.) In Length; Black Polymer Base; Starboard (Green) and Port (Red) Lenses; Stainless Steel Top; Uses #4 Screws; Specifications: Voltage: 12 Volt; Base O.D.: 2-3/8"; Product Notes:Product meets USCG requirements for 12 volt applications. It can also be used as a 24 volt ABYC A-16 certified light on boats built prior to 11/01/2003. To use as a 24 volt light while maintaining A-16 certification, replace the included bulb with a 24 volt bulb.Click here to download Perko Stainless Steel Round Bi-Color Boat Navigation Light Installation Instructions