Starboard Navigation Lamp- Incandescent - 1nm - Black Housing - 12VCompact and proven navigation lamps for yachts and powerboats.Saltwater resistant and non-magnetic, 3562 series lamps feature a 'snap lock' housing allowing bulbs to be changed without tools.Specifications:. Material Description: UV and impact resistant plastic housing and lens. Minimum Visible Distance: 1 Nautical Mile. Bulb: 12V / 10W SV8.5 included. Installation: Vertical surface mount. Cable Entry: Through base plate with rubber grommet. Degree of Protection: IP 54. Approvals: IMO Col Reg 72, RINA, USCG, ABYC A-16, Maritime NZ