Features 1、Handheld 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. 2、High Performance: The product has high measurement accuracy and quick response speed, and adopts low power LCD screen to display the measurement value. 3、Real 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. 4、LCD Digital Display: Battery powered, LCD digital display, clear interface parameter function display, replaceable battery (batteries not included). 5、Probe Insertion Design: Probe insertion design ensures accurate measurement, reliable performance, small size, light weight and easy to carry. Specifications Item Type: Soil Temperature Humidity Conductivity Sensor Weight: Approx.209g / 7.4oz Product Size: Approx.18.6cm / 7.3in Power 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: ＜ 50μA Average Operating Current: 13mA Responding Time: < 1S Operating Temperature: -20℃ ~ 60℃ Protection Level: IP54 Temperature Parameter: Measuring Range: - 40 ~ 80 ℃ Resolution: 0.1℃ Accuracy: ±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/cm Resolution: 1us/cm Accuracy: ±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 List 1 x Soil Tester