3-IN-1 PH METER - pH meter has 3-in-1 function, which can measure pH, TDS and temperature with high precision at the same time. All-round measurement of water quality to healthy water quality. HIGH ACCURACY WATER METER- Drinking water pH tester with the high-sensitivity probe, you can quickly read the results, measurement range of 0-14.0. With a high accuracy of 0.01 resolution. pH meter provides precise pH readings, ensuring that you get accurate information about the pH level in your water. AUTOMATIC CALIBRATION PH TESTER - Digital pH meter has the function of automatic calibration, and is equipped with calibration powder of pH 4.00/pH 6.86/pH 9.18, just press the automatic calibration button, water pH meter will automatically identify the calibration solution. Automatic calibration can accurate and consistent readings every time. AUTOMATIC TEMPERATURE COMPENSATION DIGITAL PH METER- pH meter has an automatic temperature compensation function, which can be adjusted according to the water temperature and water quality. Water meter can accurately determine the pH value of the sample in the temperature range of 32F-140F(0C-60C), so as to solve the inaccurate problem caused by changing the liquid temperature. MULTIPURPOSE PH TESTER - and portable size allows you to take TDS meter around easily in your pocket and do your measuring anywhere. Digital TDS pH meter for water can be used to test drinking water, swimming pools, pH balance in aquarium and any other liquids. pH meter with green backlit LCD helps to easily record readings, even in low light conditions. Material: plastic colour: As shown Package Contents: 1 x PH Meter Only 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.