... high-pressure sodium)discharge lamp HI/MH (high-pressure metal halide)discharge lampShape(H*W):70mm*131mmtw:130Specifications:With Ballast , ... Wattage:35W,50W,70W,100W,150W,175W,250W2.Voltage:220V,230V,240V3.Frequency: 50HZ,60HZ4.Material: metal case5.Ballast ... Certificate:CE,TUV.6.Qualified sample is available. HID 70w/150w/250w metal halide Ballast box