Tripp Lite's AVRX550UTAA is compliant with the Federal Trade Agreements Act (TAA) for GSA Schedule purchases. This line interactive UPS offers complete protection for PCs, workstations and other sensitive electronics in an attractive ultra-compact, mountable housing. Prevents data loss and system downtime by providing battery-supported AC output during blackout conditions. Built-in Automatic Voltage Regulation (AVR) maintains 230V nominal output during brownouts as low as 159v and overvoltages to 282v. 6 C13 output receptacles. 3 outlets with full battery support and surge suppression protect computers, monitors and other vital system components from loss of power. 3 additional outlets with surge suppression only are ideal for printers and other accessories not requiring battery support. Single-line tel/DSL surge suppression jacks protect modem, fax machine, cordless phone or other peripherals with a standard dialup or DSL phone line connection. USB port with PowerAlert monitoring software and cabling enables safe unattended system shutdown in case of an extended power failure. HID-compliant USB interface enables integration with built-in power management and auto shutdown features of Windows and Mac OS X. Audible alarm and front panel LEDs offer status information regarding line and battery power operation. 550VA/300W power-handling ability supports entry-level PCs for up to 17 minutes during power failures. 2-year warranty.