... :110V/220V 2,OUTPUT:110V/220V 3,LCD/LED DISPLAY UPS,high frequency led/lcd upsKey FeaturesTrue on-line double conversion technology ... AlarmBypass, On battery mode, Battery low, Overload, FaultAcoustic NoiseAt 1 meter distance45 dBA50 dBACommunicationsDB-9 PortRS-232 Serial InterfaceIntelligent SlotOptions: WebPower ... x H (mm)145*400*220192*460*340 High Frequency LCD/LED ONLINE UPS