Perko Classic Combination Boat Bow Navigation Light This Perko Classic Combination Boat Bow Navigation Light features chrome plated zinc alloy with a flag staff socket. It comes with a Starboard green and Port Red light with redgreen lenses. It is certified for replacement use only on power driven vessels up to 39.4 ft. in length and includes a 12 volt bulb. With 1-Mile of light visibility, this boat bow navigation light will provide exceptional satisfaction among many buyers. Features Comes Wit