... reachs 50,000 hours.4), Built-in or external constant current driver.5), Overtemperature automatic protection function. When environment temperature is ... is normal, the lamp also work normal.6), Professional waterproof design and prevent seawater wires.7), Waterproof(IP68), Shake-proof, Energy ... .4), We accept OEM order. Other Marine Lights: The Newest Design 6X3W Undersea boat led lamp