1. black LCD display: the light is soft and not dazzling, can easily cope with various environments, and simultaneously display PH value and temperature value.2. High-precision plane electrode: can measure dough, skin, paper, cream, paste, liquid and other electrodes can be replaced, maintenance is more convenient3. Data synchronization display: The PH meter data will be synchronized to the APP, which can display multiple data at the same time, which is convenient and fast4. You can set the maximum or minimum value of the measurement by yourself: set the maximum or minimum limit of PH according to user requirements. If the test result exceeds the range, the value will be displayed in red.5. Wide application: can measure dough, skin, paper, fruit, solid, liquid, etc......Function: short press the HOLD/TEMP key to keep the data, the screen displays H, long press the HOLD/TEMP key to convert the temperature unit to C/F.Model: YY-1031Bluetooth: Support mobile phone Bluetooth version 5.2PH: 0.00-14.00pHElectrode: removable and replaceableBattery: 4*1.5 button batteryTemperature: 0.1C-60.0C; 32F-140.0FWaterproof: IP67 waterproofData: Auto/Manual Save; Print-SharePH Calibration: 6.86/4.00/9.18or7.00/4.00/10.01Temperature Compensation: 0.1C-60.0CColour:white + greenMaterial:plasticPackage Contents:1 x Dough Skin Acid-base TestOnly 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.