This APC Back-UPS offers power and surge protection for wireless networks, computers, gaming consoles and other electronics in your home or business. The 950VA tower UPS has 6 total outlets, 4 of which are battery back up and surge protection, and 2 that are surge protection only. It 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.