Features Quick measurement, it can react quickly after contact with the water body and get results quickly. Built-in calculation chip, data close to industrial accurate tools, can expand the scope of application. Properly designed appearance molds, the shell uses high-quality PCD particles and refuses to use impurities and waste. The accurate titanium alloy probe, light to carry, can be easily measured by hand. Wide measurement range, it can detect the water quality in the range 0-9990PPM, which can be applied to multiple situations. Specification: Item Type: Water Quality Tester Model: TDS-M3 Material: good PCD particles Type: Portable Water Quality Analyzer Measuring range: 0-9990PPM Error: ±2% Battery: 1xCR2032 3V button battery (battery not included) Package List:1 x Water Quality Detector (Battery Not Included) Package List 1 x Water Quality Detector(Battery Not Included)