Ensure optimal water quality with the Yieryi Multifunctional TDS, PH, EC & Temperature Meter. This digital tester provides accurate readings for total dissolved solids (TDS), pH levels, electrical conductivity (EC), and temperature, making it ideal for pools, drinking water, and aquariums. Designed for precision and ease of use, this compact device features a clear LCD display and intuitive controls, ensuring reliable results every time. Perfect for maintaining healthy water conditions and achieving accurate water testing in various applications.