High Efficiency using Micro Processor Control Topology Battery Low Voltage Automatic Shutdown Over Voltage and Under Voltage Protection Brand Power Capacity (VA): 650VA Output Voltage: 145 V-280 V Frequency: 50 Hz Color: Black Typical Recharge …The Back-UPS 650 from Inex powers your computer and electronic equipment during storms outages. The features Automatic Voltage Regulation (AVR). This feature instantly adjusts high and low voltage fluctuations to safe levels for connected electronics, saving battery power for when you need it most during storms and outages. Equipped with 4 IEC sockets, the 700 keeps your desktop computer, monitor or other critical devices (router, modem, television, etc.) running when the power goes out. Specifically designed for electronic equipment in harsh power environments, the Back-UPS  maximizes productivity and work efficiency while providing critical power during emergencies.