Upgrade with High Accuracy: This pH meter with built-in sensitive electrode sensor, just press ON and the pH result will appear on the screen in seconds. Measuring range : 0.00~14.00pH; accuracy : +0.01 pH Easy measurement and calibration: The PH meter has automatic temperature compensation function. It comes with 3 packets of calibration powder. When it is idle for a long time or after frequent use, you can calibrate the tester with an auto-calibration button for good calibration. Portable size and wide use: This small pH tester allows you to carry it around in the pocket and measure anywhere. It is excellent for a wide range of drinking water, swimming pools, aquariums, hydroponics, food, wine, beer or any other liquid. Automatic Temperature Compensation: No more worrying about the temperature of the test liquid. Our pH meter has built-in ATC function, it can accurately measure the pH value of the sample at any temperature within the range of 0C to 60C. Backlit LCD Display: PH tester with bright backlit LCD display, easy to operate, no matter in day and night environment, accurate measurement and clear display results Size: 155*31mm Green color Quantity: 1 piece