... lamp single lamp ballast, t5 54w,electronic ballast,ballast,CE CB SGS MEPS ROHS Active high power factor correction HO lamp single lamp ballast, t5 54w,electronic ballast,ballast ... ,CE CB SGS MEPS ROHS 1.Environmental steel casing,scewless terminal block2.Active high power factor correction3.Preheat start,long lamp ... repalcement lamps8.Intelligently detect lamp type,one for multilamps9. ...