Masthead Light - 3nm - Silver Housing - Horizontal MountFeatures:LED (Light Emitting Diode) navigation lightUnique and precise definition of light anglesRugged and unbreakable: Precision machined anodised aluminium housing protects the LED's and electronicsCompletely waterproof and vibration proof: Interior is fully filled and sealed with special potting resinWaterproof to IP 68+ (submersible)Lifetime over 50,000 hours or 4,200 nightsLow power consumption - 70 to 90% less than traditional navigation lightsFull brightness with input voltages ranging from 10 to 32 VoltsAll Lopolights have been tested several times during production, a total of more than 24 hoursEasy to install, adaptor and screws included (when applicable)Silver HousingHorizontal Mount