Tripp Lite AVR Series UPS Battery Backup System

Built-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: 900 VA Backup Time at Half Load: 10 minutes @ 240 Watts Lines: 1.Unit of Measure : Each