"Capacity 1000VA/600W Input Voltage 110/ 115/120Vac or 220/230/240Vac Input Voltage Range 81-145VAC/140-300VAC Input Frequency Range 50Hz/60Hz(Auto sensing) Output Voltage 110/ 115/120Vac or 220/230/240Vac AC Voltage Regulation ±10% (Bat Mode) Frequency Range 50Hz/60Hz ± 1Hz (Bat Mode) Active Power 600w Transfer time Typical 2--6ms Waveform (Bat Mode) Simulated Sine wave Battery Internal maintenance-free lead-acid battery Full protection Overload, discharge,over charge, short circuit, over / under voltage protection Line mode Green lighting Battery mode Yellow flashing Fault Red lighting Battery mode Sounding every 10 seconds Low battery Sounding every second Overload Sounding every 0.5 seconds Battery Replacement Alarm Sounding every 2 seconds Fault Continuously sounding Dimension,D*W*H(mm) 279*101*142 Net Weight (kg) 4.9 Humidity 0-90% Relative Humidity 0-40 ? (Non-condensing) Noisy Level Less than 40dB Warranty 1 Year"