Tripp Lite OMNI900LCD 900VA Digital AVR UPS LCD 120V, USB, 8 OutletLarge, rotatable LCD front panel displays input voltage, battery capacity, and a variety of operating conditions. Internal UPS circuits provide support for PCs during power failures, enabling a safe shutdown without data loss. Features Automatic Voltage Regulation (AVR) regulates brownouts back to usable levels without consuming battery power. HID-compliant USB interface enables integration with built-in power management and auto shutdown features of Windows and Mac OS X. Ideal for a variety of sensitive computer, home theater, and other electronic equipment. Adapts to tower format or rackmount shelf format for exceptional versatility. System VA: 900 VA; Backup Time at Half Load: 10 minutes @ 237 Watts; Automatic Voltage Regulation (AVR): Yes; Connected Equipment Guarantee/Warranty: $200,000 Ultimate Lifetime Insurance.