... user decides whether to change the electrode.Automatic Temperature Compensation:Using the supplied temperature probe, the temperature value is displayed ... date/time stampingOutput: USB Communication InterfacePower Requirements: DC 9V, using AC adapters, 220VAC, 50HzDimensions: 210(L)mm×188(W ... Probe, Power Adapter BANTE922 Digital pH/ORP Meter (Using the British pH Electrode, CE Certification)