This 1U rackmount uninterruptible power supply (UPS) provides battery backup power & surge protection for connected equipment including servers, network devices, workstations, & telecom installations. Additional features include automatic voltage regulation (AVR) to correct minor fluctuations in utility power without switching to battery mode & a multifunction LCD to keep you informed about power conditions. The UPS also offers remote management capabilities with an optional network management card. The Smart App LCD OR500LCDRM1U comes with a three-year warranty (including coverage of batteries) & a $300,000 lifetime connected equipment guarantee. Protection Type: Power; System VA: 500 VA; Backup Time at Half Load: 12 min @ 150 W; Automatic Voltage Regulation (AVR): Yes.