The Professional Tower Series UPS provides advanced level of power protection to servers, telecom equipments, VOIP, internet working hardware and other mission-critical applications. Featuring Pure Sine Wave output and Automatic Voltage Regulation (AVR) stabilizes the AC signal and maintains a safe voltage, it allows the UPS to maintain safe power levels for the connected equipment without resorting to battery power. The detachable, remote-controllable Multifunction LCD Readout can be mounted on the wall or in the control center nearby to provide highest convenience and flexibility under different management scenarios.