Ideal for yachts and powerboats up to 20 metres this bi-colour lamp combines style and functionalityto ensure any vessel can operate at night.Bi-Colour Lamps Minimum visible distance of 1 nautical mile at 112.5 degreesMeetsEMC EN60945, USCG& ABYC A-16 StandardsSurface mount, ideal for mounting onthe top of the bowUltra reliable with over 50,000 hours lifeIP67 – fully sealed and sea/salt spray resistant