Soil Temperature Humidity Conductivity Sensor with LCD Display Quick Response Speed Soil Tester 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.