The Professional Rackmount Series UPS provides advanced level of power protection to servers, telecom equipments, VOIP, internet working hardware & other mission-critical applications. Featuring Pure Sine wave output & Automatic Voltage Regulation (AVR) stabilizes the AC signal & maintains a safe voltage, it allows the UPS to maintain safe power levels for the connected equipment without resorting to battery power. With the add-on advantage of Extended Runtime (XL) battery packs, the UPS backup time can be extended to maximize workflow flexibility. The placement-wise design could be configured in either Tower (T) or Rackmount (RM) form with the attached stands & skids to make the most of your workspace.