Aqua Signal 55 Series navigation light housed in a shock and impact resistant black polycarbonate body, which is non-corrosive, non-magnetic and seawater resistant. This is a Stern White navigation light suitable for vessels over 20 metres in length. It has a 135° arc with a 24 volt incandescent bulb included. The Aqua Signal 55 navigation light is suitable for base flange mount (screws not included) and comes pre wired with 1.5m special connection cable. This navigation light is rated IP56 for water ingress.