Additional Details ------------------------------ Product description: 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.