1Handheld Type: The tachometer adopts a handheld 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. 3Accurate: 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). Item Type: Soil Speed Measuring Instrument Product Material: Stainless Steel Product Size: Approx.18.6cm / 7.3in Application: The Rapid Measuring Instrument is Widely Used in Fields Such As Farmland Production, Soil Research, Greenhouse Planting, Orchard Nursery, Gardening Planting, Tree Planting, Pot Planting and So On. Power Supply: AA Batteries, Alkaline Zinc Manganese Batteries (Three) (Battery Not Included) Working Hours: According to the Use of 20 Times a Day, It Can Be Used Continuously for 1.3 Years (The Specific Use Situation Depends on the Number of Use Per Day and the Length of Time) Quiescent Current: Less Than 50a Average Working Current: 13mA Response Time: