tripp Lite's Avr700u Ultra-compact Line Interactive Ups Offers Complete Power Protection For Desktop Pcs, Network Workstations And A Wide Variety Of Professional And Consumer Electronic Devices. Uninterruptible Power Supply / Ups Circuits Switch To Battery Backup Mode Within Milliseconds To Keep Connected Equipment Running Without Interruption Or Data Loss During Power Failures. Automatic Voltage Regulation / Avr Power Conditioning Maintains Smooth, Continuous Operation Of Connected Equipment During Brownouts And Overvoltages. Surge-only Outlets Offer Convenient Protection For Printers And Other Desktop Accessories Not Requiring Battery Support. Ac And Dataline Surge Suppression Prevents Connected Equipment Damage. Usb Communications Port Supports Built-in Power Management And Auto-shutdown Features Of Windows And Mac Os X Or Full Featured Monitoring And Data-saving Auto-shutdown Options Using Tripp Lite's Free Poweralert Monitoring Software.