Item Type: Soil Moisture TesterMaterial: Stainless SteelProduct Size:Approx. 18.6cm / 7.3inPower Supply: AA Batteries, Alkaline Zinc Manganese Batteries (Three) (Delivered Without Batteries)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: <1SWorking Temperature: -20 ~ 60Protection Level: IP54Range: 0-100%Resolution: 0.1%Accuracy: 2% within 0-50%, 3% within 50-100%Scope of Application: Used in Farmland Production, Soil Research, Greenhouse Planting, Orchard Nursery, Horticultural Planting, Tree Planting, Potted Planting, Etc.