1,Stainless steel 316 2,With semileds led chips 3,IP68 4,3W, 6W, 9W, 18W, 27W, 36W etc 5, ... driver will be shutdown in order to protect the LED without damage, and when environment temperature and voltage is ... normal, the lamp also work normal.6), Professional waterproof design and prevent ... Marine Lights: The Newest Design 6X3W Undersea boat led lamp