General description This Portable Pocket Digital pH Tester is designed for measuring the pH value of various liquids, including aquarium water, swimming pools, and food and beverages. It features a waterproof metal electrode and is made from high-quality materials, ensuring durability and resistance to breakage. The compact and lightweight design makes it easy to carry for both indoor and outdoor use. Technical specifications Waterproof metal electrode High accuracy and stable measurement High reliability and excellent performance Usage Insert the probe into the liquid Press the button to test the pH