The CyberPower® Smart App Sinewave PR3000LCDRTXL2U UPS is designed to protect your mission-critical servers, Telecom equipment, VoIP and internetworking hardware that needs seamless Pure Sinewave power. Featuring the rotatable front LCD panel displays all major UPS vitals. Furthermore its full automatic voltage regulation boost delivers a consistent and clean AC power, protecting connected equipment and preventing business interruptions. It has four maintenance-free, user-replaceable 12V/9Ah batteries. This unit offers connectivity via (1) HID USB (2) DB9 serial (1) emergency power off port and also includes protection for phone/network from load of disturbances.