This highly efficient Nasa Supernova Navigation Light uses high efficiency LEDs to ensure a long life and low power consumption. A tough polycarbonate shell protects Supernova from the elements, while a Gore-Tex membrane vent ensures equalization of pressure on the seals.

Technical Specifications:

Dimensions: Diameter: 91 mm, Height: 113mm (including mounting).
Supply Voltage: 10 to 20 volts (for full brightness).
Supply Current: 200 mA @ 12 volts (Typically 90% less than equivalent incandescent lamps).
Night Time Visibility: 2 nautical miles minimum (25 degrees above and below the centerline).
Waterproof Rating: IP67 (Submersion).
Suitable for boats up to 12 metres.