Dimension (DxWxH) : 390 x 145 x 195 mm Weight : 14 Kg Capacity : 1200 VA / 600 W AC Voltage : 160 ~ 250 V AC Current : 2.9 A AC Frequency : 50 3 Hz AC Protection : 6.3 A DC INT Battery : 2 x 12 V 7 Ah INV Waveform : Synthesized Sinewave INV Voltage : 220 5% V INV Frequency : 50 Hz INV Efficiency : > 80% CHG Type : Constant Voltage CHG Voltage : 27 V CHG Current : 1.5 A Transfer Time : < 4 ms Back up Time : 10 min Indicator : LED & BUZZER Operation Temp : 0 ~ 40 C