Imperial 1000/1200/1500/2000 FULL is an UPS product of Imperial brand. It has line interactive design, automatic voltage regulation, fully digitized microprocessor control, energy saving function, cold start function, lightning and surge protection, short circuit and overload protection, advanced battery management, tel/modem internet surge suppression, smart RS-232 communication port, automatically charging when UPS off, Ethernet network surge suppression port, EMI/RFI noise filter, back up, on-line, battery status LED display, AVR Boost/Buck LEAD display, hot swappable feature by user, coaxial surge suppression port.