Hella Marine Stern Navigation Light 2nm 12V Incandescent Light w/ Housing Black Housing. Non-magnetic and saltwater resistant. Housing 'snaps' to base without screws. 2984 series navigation lamps feature a vertically hanging bulb and contacts in the upper area of each lamp to prevent corrosion. Specifications for Hella Marine Stern Navigation Light 2nm 12V Incandescent Light w/ Housing: Manufacturer: Hella Marine Light Type: Navigation Voltage: 12 volts Water Resistance Level: IP55 Bulb Type: Incandescent Housing/Frame Material: Plastic Features of Hella Marine Stern Navigation Light 2nm 12V Incandescent Light w/ Housing Material Description: UV and impact resistant plastic housing and lens Minimum Visible Distance: 2 Nautical Mile Bulb: 12V / 25W BAY15d included Installation: Vertical surface mountCable Entry: Through base plate with rubber grommetDegree of Protection: IP 55Approvals: IMO Col Reg 72 USCG ABYC A-16 Maritime NZ Package Contents: Hella Marine Stern Navigation Light Hella Marine 2984325: Stern Navigation Light 2nm 12V Incandescent Light w/ Housing Black Housing