The CyberPower AVR Series AVRG900U uninterruptible power supply (UPS) safeguards PCs and other electronics (monitors, cable/DSL modems, VoIP routers, and home theater devices) from blackouts, brownouts, surges, spikes, sags, and other power abnormalities. Its Automatic Voltage Regulation (AVR) boost/buck technology delivers a consistent and clean AC power, protecting connected equipment and preventing costly business interruptions. Its composite integrated circuitry offers advanced lightning protection. This UPS system is ENERGY STAR® qualified with patented GreenPower UPS™ Bypass circuitry to save on energy costs by reducing energy consumption and heat buildup. The AVRG900U unit has a capacity of 900VA/480Watts, twelve (12) NEMA 5-15R receptacles, including, six (6) battery and surge protected and six (6) surge protected outlets. Its compact design allows for horizontal or vertical placement, or it can be mounted on a wall. This UPS has a 12-volt maintenance-free sealed lead acid battery. Protection for phone/network (RJ11) is also included. EMI/RFI filters increase the immunity of the load to disturbances and surges. A HID compliant USB port provides connectivity to the AVRG900U. PowerPanel® Personal Edition UPS Management software is included to monitor the vitals of the UPS and will safely shutdown the system in case of a power outage. A Three-Year Warranty ensures that this UPS has passed our highest quality standards in design, assembly, material or workmanship and further protection is offered by a $200,000 Connected Equipment Guarantee.