Meets CE and USCG requirements for 2NM visibility for sail or powerboats under 66'. Meets ABYC A-16 requirements. With Red & Green Lenses. Black plastic base. Screw size is 8. Housing Chrome Plated Zamak Mount Horizontal Base 3-1/4" L x 2-5/16" W Height 1-5/8"

Price is per unit.Also available in a case of 6. Please call us if interested in case pricing.