Feature:1. Hand Held Type: The tachometer adopts a hand held design, with small size and light weight, which is convenient for users to carry.2. Material: 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.3. High Accurate: The product has high measurement accuracy and quick response speed. A low power LCD screen is used to display the measured values.4. Real 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.5. Battery Powered: Battery powered, LCD digital display, interface parameter function display is clear, the battery can be replaced (shipping without battery).Specification:Item Type: Soil Moisture MeterProduct Material: Stainless SteelProduct Size: Approx.18.6cm / 7.3inApplicability: the Rapid Tester is Widely Used in Fields Such As Farmland Production, Soil Research, Greenhouse Planting, Orchard Nursery, Horticultural Planting, Tree Planting, Pot Planting, Etc.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 50aAverage Working Current: 13mAResponse Time: