Perko White All-Round Navigation Light w/Folding Mount TowerThis 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 1-1/2"; Height: 8"; Pole: 3/4" Diameter; Screw Size: #8; Click here for Perko White All-Round Light w/Folding Mount Tower installation instructions.