Featuring a high-definition backlit display screen and an intuitive a-button design, it is perfect for different water quality testing needs. Specification: Product name: Water Quality Tester Material: ABS Size: about 3x1.5x15.5cm/1.18x0.59x6.1 inches Weight: 57g Accuracy: ±2%-3% Voltage: 3V Accuracy: 1ppm Applicable scenarios: hospitals, swimming pool control centers, water plant laboratories, aquaculture, water purifier testing Product List: 1* Water Quality Tester Notes: Due to the lighting effects and filming angles, there is a color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size. The actual product shall prevail, thank you!Wide Applications: Capable of measuring TDS, EC, and temperature, it meets diverse water quality testing needs with ease, ideal for drinking water, swimming pools, and more. Convenient to Carry: Take the precision and accuracy of TDS water testing with you. Its portable design, lightweight, and easy-to-carry features make outdoor testing a breeze. Simple to Use: No fuss, no complex procedures! Simply submerge the TDS Water Tester in water, press the button, and instantly get accurate water quality data, with ease. High-definition Display Screen: Featuring a high-definition backlit display screen, it allows timely detection of water quality issues, with a red light warning system to ensure the safety of drinking water. Advanced Material: With a high-quality titanium alloy probe and high-quality material, this TDS water tester delivers perfect accuracy in measuring water quality.