1100VA Is A Superb Luminous UPS But I Hope Suply System To Be Change And Out Put Supply Send According To Lord. Campire To Any Othe UPS Top Best Luminous With Long Life Save Electricity And Superb Backup I Hope Require Any Man An First Choice Luminous its awonder Full No Tension Whi Waranty I Suggest To All Rivew Readers Blind Trust On Luminous UPS Thanks Luminous