Masthead Navigation Lamp- Incandescent - 2nm - 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 lensMinimum Visible Distance: 2 Nautical MileBulb: 12V / 10W SV8.5 includedInstallation: Vertical surface mountCable Entry: Through base plate with rubber grommetDegree of Protection: IP 54Approvals: IMO Col Reg 72, RINA, USCG, ABYC A-16, Maritime NZ