The Smart App Sinewave LCD UPS Series provides an advanced level of power protection to support mission-critical servers, telecom equipment, VOIP and internetworking hardware. The PR750LCDRM1U has both a sine wave waveform and full Automatic Voltage Regulation (AVR) Technology, which delivers a consistent and clean AC signal that protects connected equipment and prevents costly business interruptions. The multifunction LCD readout provides ready access to power/battery condition vitals, such as Runtime, Load, Voltage, and much more. It includes six (6) battery and surge-protected NEMA 5-15R output receptacles, including two (2) that are designed to serve as fail-safe options for protecting critical loads. It also comes with four maintenance-free, user-replaceable 6V/9Ah batteries.