Features: * Made of high-quality material, durable * Other features: * Reliable technology: automatic calibration based on temperature, measurement range 0 - 9999 ppm, resolution 1 ppm, +/- 2% reading accuracy. * Data storage function: hold the measured value when the water is outside, easy to read and write. * Auto power off function: turns off automatically after 10 minutes of non-use to save battery power. *ATC and Temperature Function: The ATC function guarantees high precision, and the temperature function allows users to know the temperature of the liquid. * Portable design: lightweight hand-held design, easy to carry and use. Specification: * Material: ABS * Color: white, blue * Measurement range: 0-9999ppm * Accuracy: 2% * Battery: 1x3V button battery (battery not included) * Auto power off: 10 minutes * ATC (automatic temperature compensation) * Temperature test range: 0.1-80.0 * Test items: Conductivity test, temperature test * Size: 152*30mm * Quantity: 1PCS Package includes: * Listing 1: 1 x Water Quality Tester, 1 x leather case Note : 1. Due to various factors such as brightness of your monitor and light brightness, the actual color of the product may be slightly different from the image shown on the website. 2. Please allow slight manual measurement deviations in the data.