Features1Handheld Design: Adopts handheld design, convenient for users to carry, probe adopts needle probe design, stainless steel material, with good corrosion resistance, high strength and toughness. 2High Performance: The product has high measurement accuracy and quick response speed, and adopts low power LCD screen to display the measurement value. 3Real Time Monitoring: Real time monitoring of soil composition, can detect a variety of organic components in the soil. Low threshold, few steps, fast measurement, no reagent, unlimited test times. 4LCD Digital Display: Battery powered, LCD digital display, clear interface parameter function display, replaceable battery (batteries not included). 5Probe Insertion Design: Probe insertion design ensures accurate measurement, reliable performance, small size, light weight and easy to carry.SpecificationItem Type: Soil Temperature Humidity Conductivity SensorWeight: Approx.209g / 7.4ozProduct Size: Approx.18.6cm / 7.3inPower Supply Mode: AA Battery, 3pcs Basic Zinc Manganese Battery (Batteries Not Included).Working Time: It Can Be Used 20 Times A Day For 1.3 Years (The Specific Usage Depends On The Times And Duration Of Daily Use)Static Current: 50AAverage Operating Current: 13mAResponding Time: < 1SOperating Temperature: -20 ~ 60Protection Level: IP54Temperature Parameter:Measuring Range: - 40 ~ 80 Resolution: 0.1Accuracy: 0.5 (25)Water Parameters:Measuring Range: 0-100%Resolution: 0.1%Accuracy: 2% Within 0-50%, 3% Within 50-100%Conductivity Parameters:Measuring Range: 0-10000us/cmResolution: 1us/cmAccuracy: 3%Application: The Tachometer Is Widely Used In Farmland Production, Soil Research, Greenhouse Planting, Orchard Nursery, Horticultural Planting, Tree Planting, Pot Planting And Other Fields.Package List1 x Soil Tester