AVR550U AVR Series Line Interactive UPS 550VABuilt-in Automatic Voltage Regulation boosts brownouts and reduces over-voltages back to 120V levels. Provides battery-derived AC output during blackouts for maximum peace of mind. Single phone line suppression protects modem, fax and other accessories. USB port works with free unattended shutdown software. Protection Type: DSL;Fax;Modem;Phone;Power; System VA: 550 VA; Backup Time at Half Load: 9 minutes @ 150 Watts.
Manufacturer’s three-year warranty.