Finally, a true one-to-one LED replacement bulb for incandescent navigation lights with festoon bulbs. This short festoon LED bulb is specially designed as a direct replacement for many combination masthead & anchor lights. It works in many Perko lights such as series 1123, 1124, 1125, 1178, 1181, 1183, 1184, 1196, 1197, etc. This high-quality high-power LED bulb is the perfect way to reduce energy consumption on your boat with a current draw of only about 0.1 Amps. Its incredible reliability means an end to frequent climbs up the mast to replace navigation light bulbs.Replaces pointed festoon bulbsReplaces Perko bulb #0071Dp0Clr and Ancor bulb #529102High-Power LED - 2nm Visibility -12V DC - redZero radio frequency (Rf) emission, surface-mount-device designInternal circuitry provides constant current draw regardless of voltage fluctuations from the source (10 to18V DC), meaning no flickering and longer LED lifeLong service life, shockproof, and ultra-rugged with no filament to burn out or breakVery low power consumption (Approximately 1 Watt)Lead and mercury free, no UV outputDesigned in the USACCT: 3000KColor: Warm White31mm