High Quality and Durable: Highly accurate measurement range of 0-14 PH, resolution of 0.01 PH, operating temperature: 0℃~60℃; measures and displays pH results, LCD screen, the reading is reliable and quick. Readings are Quick and Accurate: Simply turn on the device, dip it into the LCD screen to read, no need to use color charts or test strips; the large LCD screen makes it easy to read. Precise: The instrument measures quickly and accurately, with a resolution of 0.01 and high precision (0.01), and can measure the entire pH value from 0 to 14! WIDE RANGE OF APPLICATIONS: The pocket pH meter is an ideal test kit for home and laboratory use. Perfect for testing water, swimming pools, aquariums, spas, hydroponics, brewing food, wine and beer, and more. Automatic Calibration: No need to adjust the screwdriver, just use the automatic calibration button to complete the calibration and includes buffer powder.