... %,110%,110% UL,CUL,CEapproved 3 years warranty 600W dimmable HID electronic ballast kitOperate for HPS/MH light systemDimmable 50%-75%-100%(110% super lumen optional ... functionsStable, flicker-free lamp operationCompact and enviroment-friendly.Small size,light weight, easily-installed Avialable 250w,400W,600W,1000WInput 176V-264V ...