This monitor is a member of the line of quality monitors available from ours.The Continuous Monitor Series feature microprocessor technology,which gives it many reliable,user-friendly features.These monitors were designed for long-term low-maintenance use,just plug in the AC adapter,calibrate and the unit is ready for continuous monitoring.Specifications:Range: pH: 0.00 ~ 14.00pHResolution: pH: 0.01pHAccuracy: pH: 0.1pHTemperature Compensation: 0C ~ 50CWorking temperature: 0C ~ 50CPower Supply: DC 6V (Power-supply Adaptor)Input Voltage: AC 220VBattery: 4x1.5V AG13/LR44 Button Cell Batteries (NOT Included)Fetures:Widely used to test the pH of solution/water.Imported IC and high cost performance.Easy calibration of pH with just a mini-screwdriver.Electrode probe can be replaced, ATC function.Automatic temperature compensation.Large and clear LCD with backlight, easy to read and accurately testing functions.Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect UsePlug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so onMaterial: ABScolour: As shownPackage Contents:1 x water quality analyzerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.