CyberPower Smart App Intelligent LCD OR1500LCDRTXL2U 1500 VA Tower/Rack-mountable UPS safeguards inter-networking hardware, telecom equipment, workstations and home entertainment systems that do not have active PFC power supplies. Its full automatic voltage regulation (AVR) boost/buck topology delivers a consistent and clean AC power, protecting connected equipment and preventing costly business interruptions. This UPS is designed to protect office servers, corporate and departmental networks, and network-based appliances.