The Powercool Smart UPS 2000VA2 is a line-interactive UPS which is compact & provides a stable power protection against surges & spikes It is ideal for PC users or small business companies as well as for Router Small switch network applications It&s embedded microprocessor controller guarantees high reliability & it can automatically restart while the AC power is recovering With the simulated sine wave cold start function & USBRS-232 communication port & RJ-45 for LAN protection it will be a great choice Pure Sine Wave Output Output power factor 08DSP digital Control Boost & buck AVR for voltage stabilization Auto Sensing Frequency