SpecificationsProduct name: Off-Line UPSType: OFF-LINE UPSRated Power: 500W/750VABattery Voltage: 12VVoltage: 100/110/120/127/220/230VAC Phase: Single PhaseProtection: Over voltage, Short circuit, Unbalanced loadsOutput Voltage: 100/110/120/127/220/230VAC /-10%Wave Form: Square WaveTransfer Time: 4ms Input Voltage: 100/110/120/127/220/230VAC /-10