Designed as a direct incandescent bulb replacement for many popular brands of navigation lights. Fabricated from the highest quality components to assure long life and trouble-free functioning. Patented circuitry provides consistent brightness and makes them immune to life-shortening voltage fluctuations. 2nm VisibilityLow Power Draw, ~1WNon-Polarized ConnectionBuilt-In Energy Management Circuit2nm USCG ABYC A-16 Light EnginesDirect Bulb Replacements for Most Nav LightsLong Service LifeUltra-Rugged with No Filament to Burn Out or Break Note: White light Not for use with colored lens fixtures.