... are designed specially for hydroponics, greenhouse, horticulture, hobby gardening industries,etc. It can diagnose and light HPS and MH ... voltage: 100V~277V,347V,400VDimming function is option.Approval: UL,CUL, EMC, ROSH,CE,TUV.Suitable Bulbs400W, 600W, ... Europe standard Customized integrated grow light soluaitons are available . UL,CUL,CE,TUV certificated digital electronic ballast 1000w,600w, ...