Internet-ready protection for PC's, modems and all peripherals against damage and downtime due to blackouts, brownouts and surges. Surge protectyion only outlets plus battery-protected outlets. Built-in USB port provides automatic unattended shutdown when used with free PowerAlert Software (Web download). Built-in telephone/modem/DSL protection and Automatic Voltage Regulation safeguard an entire system. USB cable included. $100,000 Ultimate Lifetime Insurance. Manufacturer's two-year warranty.