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