This type of pole lights may be used on sailing boats less than 20 m (tri-colour), instead of small all-round lights. Material: Made of marine grade stainless steel 304 tubing with ABS plastic, polycarbonate lens and nitrite O ring sealed light and a fibre nylon mix base • Installation: Pole lights are positioned in such a way that they are higher than the sidelights and may be screwed into position. • Visible distance: 2 nm • Bulb (included): 12 V / 10 W.