Features: Accurately measure the Acid of the dough to ensure baking quality and food safety. Easy Carry designs, easy to use; High Precisions sensoring, fast response; material, long service life. Professional baker, bakery operators, food developers and cooking enthusiasts. It is suitable for the monitoring of Acid in bread, cake and other baking processes, as well as food laboratories. Produced of quality ABS for long service. Specifications: Material: ABS Measuring ranges: 0.00-14.00PH Resolution: 0.01PH Battery type: 1.5v button battery Package Includes: 1xpH Meter 3xCalibration Powder 1xStorage Box 1xManual note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.