5-in-1 PH Meter for Water: This versatile PH meter is designed to measure not just pH, but also TDS, EC, temperature, and salt levels in water. Auto-Calibration: The auto-calibration feature of this PH meter simplifies the process of calibration, making it quick and hassle-free. Simply immerse the electrode in the provided calibration solutions, and the meter will automatically calibrate itself, and comes with calibration powder (standards: pH 4.00, pH 6.86, pH 9.18). This ensures accurate and consistent readings every time. Accurate pH Tester: With a high accuracy of 0.01 resolution, this PH meter provides precise pH readings, ensuring that you have accurate information about the acidity or alkalinity levels in your water. Wide Application: This PH meter is suitable for a wide range of applications. Whether you want to test the pH of your drinking water, wine, or even hydroponic nutrient solutions, this device can handle it all. User-Friendly Design: This PH meter is designed with ease of use in mind. The large backlit LCD display provides clear and easy-to-read results, even in low light conditions. The compact and portable design makes it convenient to carry around, allowing you to test water anywhere, anytime.