INFORM GUARDIAN 600A Input Capacity (VA) 600 Voltage 220V or 230V Input Voltage Range -25%, +30% Frequency 50 or 60 Hz (auto sensing) Output Power Factor 0.6 Voltage (On battery) 220V or 230V ±10% Waveform (On battery) Simulated Sinewave Frequency (On battery) 50 or 60 Hz ±1Hz Voltage Regulation (AVR) AVR automatically increases output voltage 15% above input voltage if -10% to -26% of nominal AVR automatically decreases output voltage 15% below input voltage if +10% to +22% of nominal Transfer Time 2 - 6 ms. Outlets 1pcs Schuko 1pcs IEC Battery Type Maintanence - Free lead acid batteries Recharge Time 6 hours (to 90% of full capacity) Voltage 12 VDC Back up time 5-30 minutes (depending on computer load) Display LED Display Fault, Battery Mode, AC Mode Protection Short Circuit, Overload, Battery Discharge, Overcharge Auidible alarms Battery Mode (every 10 seconds) Low Battery (every second) Overload (every 0.5 second) Battery Replacement (every 2 seconds) Fault (Continous)