BYS(BAY51-Q) explosion-proof corrosion-proof full-plastic fluorescent light Rated voltage: 220V/50Hz Protection class:IP56 BYS(BAY51-Q) explosion-proof corrosion-proof full-plastic fluorescent lightRated voltage: 220V/50HzProtection class: IP65Ex-mark:Exed II CT6Cable outside diameter (Φ,mm):10-14Inlet thread (G") :3/4Power: 1X20W, 1X40W, 2X20W,2X40W