... bronzeAB2 shell has excellent corrosion-proof, makes the light to use in sea water freely. 3), ... 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 ... OEM order. Super bright waterproof IP68,10-30V,blue color,led marine bulb