Model iFP 1K Input Capacity 1000 VA / 600 W Input Voltage Range 110/120 VAC or 220/230/240 VAC Input Frequency Range 60/50 Hz (auto sensing) Output AC Voltage Regulation ±10% Output Frequency 60 Hz or 50 Hz ±1 Hz Output Waveform(Batt. Mode) Simulated Sinewave Transfer Time Typical 2-6 ms Battery Type & Number 12 V/7 Ah, 2 Battery Typical Recharge Time 4-6 hours recover to 90% capacity Weight 8.2 kg Noise Less than 40dB Dimensions(L x W x H) 320 x 130 x 182 mm Humidity 0-90 % RH @ 0- 40°C (non-condensing)