High Accuracy:This PH meter has high accuracy of 0.01 resolution, providing precise pH readings and ensuring to get accurate information about the acidity or alkalinity levels in your water. It is a tool for maintaining optimal pH balance in hydroponics, aquariums and fish tank. Multifunctional PH Meter:This PH tester can test PH, TDS, EC, temperature and salt levels in water. Only one device can easily monitor multiple important parameters in your water.ideal for obtaining healthy drinking water or other uses. Backlit LCD Display:This product is convenient to use, which has large backlit LCD display and provides clear and easy-to-read results even in low-light conditions. The small size is easy to carry, allowing you to test water anytime and anywhere. It is reliable and practical for professional and amateur. Easy to Use:This PH meter has auto-calibration function to simplify the calibration process, quick for operation. Just immerse the electrode in the provided calibration solution and the meter will automatically calibrate. Compact, lightweight, and maintenance- design for easy portability. test water quality anytime, anywhere with ease. Wide Application:This PH meter is widely used for testing the pH of drinking water, wine, or even hydroponic nutrient solutions. It is ideal for testing salt water pools to ensure the salt levels are within recommended limits. Simple operating interface suitable for users of all levels of water quality testing experience