Power protection and battery backup for home and office computers and electronics. Provides seamless battery support during brownouts and power failures with enough runtime to save and shutdown connected equipment without data loss. Includes battery supported outlets and additional suppression-only outlets. USB enables optional unattended system shutdown without data loss in the case of extended power failure. PowerAlert software available via free download, includes bundled USB cable. Built-in audible alarm and front panel LEDs offer continuous status information regarding line and battery power operation. System VA: 900 VA; Backup Time at Half Load: 10 minutes @ 450 Watts; Automatic Voltage Regulation (AVR): No; Battery Recharge Time: 4 h.