... high-pressure sodium) discharge lamp HI/MH (high-pressure metal halide)discharge lamp HM (high-pressure mercury vapour) discharge lampShape ... Wattage:HS/MH50W, HS/MH250W,HS 250W,MH/HM 400W, HS 400W2.Voltage:220V,230V,240V3.Frequency:50Hz or ... 3.00 6315X235X80YJ-P/A-MH/HM 40015075 400w 3.40/3.25 6315X235X80YJ-P/A-HS ... Approval:CE,TUV More Actual Photos: 250w metal halide lamps electromagnetic ballast