... 1,Stainless steel 316 2,With semileds led chips 3,IP68 4,3W, 6W, 9W, 18W, 27W, 36W etc 5,Constant current driver Features: 1 ... -in or external constant current driver.5), Overtemperature automatic protection function. When environment ... lamp also work normal.6), Professional waterproof design and prevent seawater wires.7), Waterproof(IP68 ... Marine Lights: The Newest Design 6X3W Undersea boat led lamp