"Universal replacement reduced glare design. 12V. USCG certified for use on power vessels under 20 m (65.6 ft). Two nautical mile. Wide 40° adjustable head. Black plastic top with clear fluted lens. 3/4" diameter anodized aluminum pole. Two screw positions. Gold plated contacts. 12V L.E.D. Includes two collars, both threaded and locking to fit 2-pin bases 1045, 1046, 1047, 1048 and 1060. Designed to also fit other manufacturer's bases."