1. MH digiatal ballast 2. Certificate:CE,UL,CUL,FCC 3. patented ... 5.5 years warranty 35W,50W,70W,150W,250W,400W MH digital ballast for commercial lighting <70w technical dataModelMH-70W-ELighting ... compensation capacitorTesting ReportMounting diagram 35W,50W,70W,150W,250W,400W MH digital ballast for commercial lighting