Capacity: 650 va / 360 w voltage: 110/120 vac or 220/230/240 vac voltage range: 81-145 vac / 162-290 vac frequency range: 60/50 hz (auto sensing) ac voltage regulation (batt. mode): ±10% frequency range (batt. mode): 60 hz or 50 hz ±1 hz transfer time: typical 2-6 ms, 10ms max. waveform (batt. mode): simulated sine wave battery type & number: 12 v/7 ah x 1 typical recharge time: 4-6 hours recover to 90% capacity ac mode: green lighting – the right green led lighting & the 2nd to 5th green leds gradually lighting indicating load level battery mode: yellow flashing – the right green led lighting & the 2nd to 5th green leds gradually lighting indicating load level fault: red lighting – red led lighting