LED All-Around White Light - White Housing - Fixed Mount - 1in. x 2 5/8in. Base - 7 1/8in. H

USCG Certified for use on power driven vessels under 20 meters (65.6 ft.) in length 2 mile visibility White plastic top with clear fluted lens and frosted globe, and 3/4in. diameter anodized aluminum tube LEDs use less than half the energy draw of standard lights, low heat, long life Screw size is 8