Attwood 2-Mile Vertical Mount 12V Black plastic cover 2 nautical mile USCG output for boats to 20 meters Rugged stainless steel internal components for corrosion-free performance Rated 12-volt Clean, contoured shape blends in well making the light less noticeable, providing an integrated look with the boat Rugged stainless steel internal components for corrosion-free performance 3 Nautical mile output for boats to 20m In full compliance with the latest industry and USCG requirements. Contoured shape prevents lines from snagging on the light 7" tinned wire leads make it easier to make a permanent, corrosion-resistant connection