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 Masthead White navigation light is suitable for vessels over 20 metres long. The masthead navigation light has a 225° light arc and comes with a 24 volt incandescent bulb included. The Aqua Signal 55 navigation light is suitable for base flange mounting (screws not included) and features a pre wired 1.5m special connection cable. This navigation light is rated IP56 for water ingress.