Quick view Hella Navigation Lamp 2984 - SB & PS & Masthead Tri-colour - 2NM - 12V Bulb - Black Hellamarine 2LT 002 984-535 Bulb Tricolour lamp SB-PS-Masthead Minimum visibility: 2 Nautical miles Shroud: Black - IP55 Mounting: Horizontal surface mount 12 Volt bulb - 25 Watt (24 Volt optional) Dimensions: (ØxH) 88x107mm