Features 1、This 3 in 1 function water quality tester can test TDS, conductivity and temperature, easy to operate and practical to use. 2、Support for data hold function, which is available to easily handle with various environments, convenient to use. 3、LCD display for easy reading, the screen data is double‑displayed, and the water quality TDS/conductivity EC and temperature values ​​are displayed. 4、℃/℉ unit switching, the instrument has a temperature unit switching function, and the switching between Celsius and Fahrenheit is convenient for different people to view data. 5、It is used as a testing tool for drinking water quality in the water treatment industry, drinking water industry, household, travel, field operation, etc. Specification Condition: Brand New Item Type: Water Quality Tester Material: ABS TDS Test Range: 0~9999PPM Conductivity Test Range: 0~9990US/CM Temperature Test Range: 0.1℃~80.0℃ Accuracy: ±2% Power: 3V CR2032 Button Battery (Not Included) Test Item: TDS Value Test, Conductivity Test, Temperature Test Scope of Application: It is used as a testing tool for drinking water quality in the water treatment industry, drinking water industry, household, travel, field operation, etc. Product Size: Approx. 152 x 30 x 14 mm / 6.0 x 1.2 x 0.6 in Weight: Approx. 58g / 2oz Package List 1 x Water Quality Tester (Battery Not Included) 1 x Cloth Bag 1 x User Manual