Perko White All-Round Navigation Light wFolding Mount Tower This Perko All-Round Light with a folding mount tower has a fixed mount that folds, adjustable angle. It has a black polymer base and top with a clear fluted lens and frosted globe. It is horizontal mount and ha s a reduced glare design. It is 2-mile USCG 2nm certified, and certified for use on boats under 65.6. Specifications 12 Volt bulb included 9 Watts .69 amps Base Dimensions 2 x 1-12 Height 8 Pole 34 Diameter Screw Size 8 Click he