This APC Back-UPS offers power and surge protection for wireless networks, computers, gaming consoles and other electronics in your home or business. The 625VA tower UPS has 3 total outlets, all of which provide battery back up and surge protection. The UPS has a surge energy rating of 273 Joules. It features Automatic Voltage Regulation to correct voltage dips and surges to proper levels. This UPS has a 2-year warranty.