Perko Stainless Steel Boat Side LightsThese Perko Stainless Steel Boat Side Lights feature a black plastic base and a stainless steel top. Sold in pairs, they come with one Starboard (Green) light and one Port (Red) light. They also include a 12-volt bulb and use #8 screws. Designed for use on vessels 39 ft. in length or smaller, these boat side lights boast a visibility rating of 1 nautical mile.Features: Black Plastic Base; Stainless Steel Top; 1 Starboard Light (Green) and 1 Port Light (Red); Includes A 12-Volt Bulb; For Use On Vessels 39 ft. In Length Or Smaller; Uses #8 Screws; Sold As Pairs, 1 Red, 1 Green; Specifications: Voltage: 12V; Base O.D. 2-3/8"; Visibility: 1 Nautical Mile; Product Notes:Product meets USCG requirements for 12 Volt applications. This light can also be used as a 24 volt ABYC A-16 certified lights on boats built prior to 11/01/2003. To use as 24 Volt lights while maintaining A-16 Certification, replace the bulbs with 24 Volt bulbs.Click here to download Perko Marine Stainless Steel Side Navigation Lights Instructions