The professional rack mount LCD series provides an advanced level of power protection to support mission-critical servers, telecom equipment, VOIP and Internet working hardware. This series has both a pure 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. The patented GreenPower UPS advanced circuitry reduces UPS energy costs. You will find less heat dissipation as well.