1. Multifunctional pH meter: ideal for making and drinking pure water, primary battery, boiler water, aquarium water, pool water, photo washing, well water, deep water, laboratory, aquaculture, food processing, etc. A very good pH meter that can measure the pH of any liquid.;2. With automatic temperature calibration: pH meter with automatic calibration button, automatic 2-point calibration, automatic detection of the standard solution, 5 seconds to complete the calibration. For maximum convenience, simply remove the protective cap, immerse the pH meter electrode in the solution and measure with the push of a button.;3. Portable pH meter with LCD display: thanks to its compact size, you can easily take it with you. Just put it in any bag or purse to keep it neat and tidy in your bag. Large LCD display with good water resistance, so you can easily read the displayed value;4. High accuracy: advanced electrodes, equipped with sensitive sensors, are in direct contact with the measured solution, quickly and accurately, with a pH resolution of 0.01 pH and an accuracy of 0.01 pH. Measuring range: 0.00-14.00, working temperature: 0~80°C, automatic temperature calibration.;5. Portable: small in size, the package weight is only about 88 grams, but it is suitable for testing the pH of drinking water, swimming pools, aquariums, RO systems, spas or hydroponics. Don't worry about the effects of temperature changes on pH, the pH is automatically adjusted to the temperature.