Perko Bi-Color Slant Boat Bow Light w Deck Mount This Perko Bi-Color Boat Bow Light w Deck Mount features a chrome plated zinc alloy top with a polymer base. It offers one mile of light visibility between 0 - 20 declination as well as a horizontal deck mount. It is certified for use on power driven vessels under 20 meters 65.6 ft. in length. With gold plated contacts and starboard Green and port Red lights, this bi-color slant boat bow light offers exceptional satisfaction. Features Gold Plated