Product Description: ***Brand: GIGA, ***Model: G-650, ***Capacity: 650VA,***Input Volt :160~270V AC/160~275VAC , ***Phase:Single ,***Input Frequency:50/60 Hz±0.7% ,***Output Volt : 220V AC± 10%,***Battery Type: Sealed led Acid Maintenance Fee(SMF),***Transfer Time : <2 -4ms,***Output Frequency : 50/60Hz ± 0.5%(As input) , ***Power factor:0.6,***AVR:Built in.