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.