... shutdownTempreture ProtectionAutomatically Transfer to Bypass while Inner Tempreture of UPS>80Short CircuitProtectionAutomatically Cut Off the Output & Continuous BeepingUPS ... Anlysis of Power Status, 2.Timing Controlling, 3.Monitor UPS,4.Execute UPS Self-diagnosis, 5.Automatic SaveOperating Temperature0~40Relative Humidity20% ... 35.00 38.00 Double Conversion Sine Wave Online UPS