1,Stainless steel 316 2,With semileds led chips 3,IP68 4,3W, 6W, 9W, 18W ... is normal, the lamp also work normal.6), Professional waterproof design and prevent seawater wires.7), Waterproof(IP68), Shake-proof, ... only Color Available: W,G,Y,R,B. All lights with 2 meter cable.2), Paking details: 48pcs/carton for ... .4), We accept OEM order. Other Marine Lights: The Newest Design 6X3W Undersea boat led lamp