1Hand Held Type: The tachometer adopts a hand held design, with small size and light weight, which is convenient for users to carry. 2Material: The probe adopts a needle shaped probe design, and the material is stainless steel, which has good corrosion resistance and toughness. The probe plug in design ensures accurate measurement and reliable performance. 3High Accurate: The product has high measurement accuracy and quick response speed. A low power LCD screen is used to display the measured values. 4Real Time Monitoring: Real time monitoring of soil components, which can detect a variety of organic components in the soil. Low threshold, few steps, fast measurement, no reagents, unlimited detection times. 5Battery Powered: Battery powered, LCD digital display, interface parameter function display is clear, the battery can be replaced (shipping without battery).