1.Plastic Gear Box for MH/HS lamp 2.Watt:70w,150w,250w 3.Inside:ballast +capacitor+ ... Metal Case Gear Box GB-S04/* (*stand for watt )For HS (high-pressure sodium)discharge lamp HI/MH (high-pressure metal ... ,150W,250W2.Voltage:220V,230V,240V3.Frequency: 50HZ,60HZ4.Material: Plastic case5.Ballast Certificate:CE,TUV.6.Qualified sample is available ...