1,Stainless steel 316 2,With semileds led chips 3,IP68 4,3W, 6W, 9W, 18W, 27W, 36W etc 5,Constant current driver Eastar High Power 6X3W IP68 Waterproof sea boat bulb Hot Promotion Features: 1), Super-clase high power LED which is encapsulated by high efficiency and latest heat disipation structure. 2), First-class stainless steel(316) or bronzeAB2 shell has excellent corrosion-proof, makes the ...