... , CE, ROSH certification - same quality as QUANTUM- convertable for HPS and MH lamps- High lumen efficiency- Low power consumption- Protection functions ... failure protection, over heat protection,- Completely silent: no more humming and buzzing- Approval: UL,CUL, EMC, ROSH - Input power:270W- Output ... failure protection: available- Energy saving rate: ~30% (compare with magnetic ballast)