Soil Moisture Meter Probe Sensor Soil Speed Measuring Instrument Handheld Stainless Steel Soil Temperature Humidity 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 50μa Average Working Current: 13mA Response Time: <1s Working Temperature: -20℃ ~ 60℃ Protection Level: IP54 Temperature Parameter Range: -40~80℃ Resolution: 0.1℃ Accuracy: ±0.5℃ (25℃) Moisture Parameters: Range: 0-100% Resolution: 0.1% Accuracy: 2% within 0-50%, 3% within 50-100% Weight: Approx.211g / 7.4oz