... temperature, low battery voltage, over battery voltage, lack-voltage alarm.8.Topology: Microprocessor9.Approvals: RoHS / CE / EMC / LVD10.one year ... Data: DC input dataDc voltage: 12vdc, 24vdc, 48vdcVoltage range:10.8~15VDC, 21~30VDC, 41~56VDCEfficiency: >90%NO load current ... short circuitPackageMachine Size(mm): 262*139*72QTY/carton: 2pcsInner box size: 36.8*18*12cmCarton Size: 37.5*19.5*27.5CMNW ...