27W led underwater boat light waterprotection IP68 with 316 stainless steel ,Semileds led chip ,use for led yatch Specifications1.IP68 ... and latest heat disipation structure. 2), First-class stainless steel(316) or bronzeAB2 shell has excellent corrosion-proof, makes ... , yellow, white 27W led underwater boat light waterprotection IP68 with 316 stainless steel ,Semileds led chip ,use for led yatch