Apc 650va Ups

APC Back-UPS 650VA, 230V, AVR, Universal Sockets Max Configurable Power (Watts) 325 Watts / 650VA Output Frequency (sync to mains) 50/60 Hz +/- 1 Hz Sync to mains Topology Line interactive Waveform type Stepped approximation to a sinewave Transfer Time 4 ms typical : 6 ms maximum Input frequency 50/60 Hz +/- 3 Hz Auto-sensing Input voltage range for main operations 180 - 270V Number of Power Cords :1