Perko bi-color light features a chrome-plated zinc alloy top with polymer base. Red and green lenses with 12V bulbs included. Gold-plated contacts. Certified for use on power-driven vessels under 65.6' in length. Requires #6 screw size. 3-1/4"L x 2-5/16"W. Polymer base Gold-plated contacts For vessels under 65.6' in length | Chrome Bi-Color Bow Light in Red