Voltage regulation, surge suppression and long-lasting battery support for small servers, personal computers, home entertainment systems and media centers. Rotatable LCD display shows power conditions and UPS adjustments in real time. Automatic Voltage Regulation corrects brownouts without consuming battery power. USB port and FREE PowerAlert Software (Web download) for unattended system shutdown. Built-in telephone/modem/DSL protection to safeguard an entire system. USB cable included. $250,000 Ultimate Lifetime Insurance. Manufacturer's two-year warranty.