This APC Easy UPS provides power protection for unstable power conditions in homes and small offices, ensuring consistent and reliable connectivity at the most critical moments. The 800VA floor/wall mount UPS has 4 total outlets, all of which provide battery back up and surge protection. It has a surge energy rating of 156 Joules. It features Automatic Voltage Regulation to correct voltage dips and surges to proper levels. This UPS has a 2-year warranty.