1,Stainless steel 316 2,With semileds led chips 3,IP68 4,3W, 6W, 9W, 18W, ... 27W, 36W etc 5,Constant current driver 2012 Wholsale High power 6x3W LED ... waterproof design and prevent seawater wires.7), Waterproof(IP68), Shake-proof, Energy-saving, Environment-friendly. 8 ... installation.Parameters and other details:1), Waterproof: IP68 for underwater use only Color Available: W,G ...