The APC Back-UPS PRO Series offers guaranteed battery backup and surge protection for high performance computer systems networks external storage devices game consoles and other electronics. This UPS Backup includes premium features such as Automatic Voltage Regulation (AVR) an LCD display energy saving functionality and Power Chute management software. This UPS Backup includes premium features such as Automatic Voltage Regulation (AVR), an LCD display, energy saving functionality, and Power Chute management software.