The CyberPower 1500VA (CST150XLU) is a 900-Watt mini-tower UPS that uses line-interactive topology to provide surge protection and battery backup for computers and home theater systems. The Automatic Voltage Regulation can detect and correct small power fluctuations, all while maintaining a safe voltage level. Very useful in places with frequent fluctuations of electrical power. The item has a 3-year warranty and Energy Star certification. The Multifunction LCD Display shows detailed power information and can alert users to possible issues. The UPS has 2 USB charging ports and 10 total outlets to plug into.