USCG approved for power & sailboats up to 39' (12 meters). 2 nautical mile visibility for masthead lights. 12V/10 watt. All housing parts are non-magnetic polycarbonate. 4 options available 250007: All Round Pedestal with Clear Lens 250047: All Round Pedestal with Red Lens 254007: Masthead with White Lens 254047: Masthead/Foredeck Combo with White Lens.