Large, 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. Cold start capability allows for temporary AC output during a power failure.