LED Navigation Master Lighot White White Masthead Light, Black polymer body (Bulb not included) Certified For Use on Vessels 20 Meters (65.6 ft.) to 50 Meters (164.0 ft.) in Length Pre-Wired Double Contact Bayonet Socket and 3 Feet of 16/3-SO Cable Watertight Access Cap for Rebulbing and Cleaning Voltage: 12V or 24V 12 Volt Wattage & Amperage: 30 watts / 2.5 amps 24 Volt Wattage & Amperage: 30 watts / 1.25 amps Height Overall: 7-1/2" Height Lens: 4-1/4" Screw Size: 1/4" Visibility Arc: 225° Visibility: 5 Miles Please select suitable bulbs from below: