... leds 6w led navigation lamp/anchor lights/ led navigation light bulb/led replacement BAY15D bulbs/led marine lights/boat lights/marine ... , High luminous efficiency, life-span reaches 50000 hours 3, Lower electric consumption 4, Waterproof (IP68), Shake-proof, Energy-saving, Environment ... , Shake-proof, energy-saving, environment-friendly. 6,The power of one part: 4*1.5W7,Supply Voltage : DC10-16V8, ...