Features:Highly synchronous transfer.Transfer time is less than 6msWide input range1.Highly synchronous transfer.2.Wide input range3.Fully AVR4.Cold start avilable5.Strong generator compatiblility6.Automatic battery charging in UPS off mode7.Surge protection8.With stronge electromagnetism compatibility, no electromagenetic interference toload9.Self-detection on startup10.Battery replaceable without ineterruption11.Software monitoring features(RS232 &USB)12.Many front panels and colors for your choice13.Adopt special UPS batteries,which are designed by EAST company14.Full protections against over voltage/low voltage producing area:GuangDOng EAST Power CO.,LTD, China