... screen.Designed for industry to make sure the UPS works well under the bad circumstance.With isolated ... monitor function and support various of operation system.UPS can be easily interconnected owning to the special ... opertion,voltage, current,parameter,modelLEDUPS openation,Rectification erro,UPS errorPortCommunication portTure RS232 portSurroundingTemperature, humidity0-40°CRemarkSpecification only ...