<p>Water quality test pen, with the function of functional test function of PH \/ test paper and temperature.</p> <p> </p> <p>Power off storage function of data, after disconnecting the battery, the data will be automatically saved for one month.</p> <p> </p> <p>The color of the LCD screen will change with the pH value, just like the test paper.</p> <p> < p>Backlit display, brighter degrees at night. The acidity and alkalinity of water directly affect human health.</p> <p> </p> <p>High sensitivity probe, high sensitivity and fast response.</p> <p> </p> <p>Features:</p> <p> </p> <p> Article: Digital PH meter</p> <p> </p> <p>Main material: ABS</p> <p> </p> <p>Main color: Green</p> <p> </p> <p>Battery: 2 * LR44 battery (not included)</p> <p> </p> <p>Size: 155*32mm</p> <p> </p> <p>Gift box packing</p> <p> </p> <p>Note:</p> <p> </p> <p>There may be some deviations due to manual measurement or slight color difference in due to shooting conditions. Thank you for your understanding.</p> <p> </p> <p>Packing List:</p> <p> </p> <p>1 * Digital PH Meter</p> <p>Note: The data is all measured manually, please allow 1-3 error cm, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.</p>