Feature: 1. Wide Application: The soil tester is suitable for a wide range of soils and can be used in various places such as potted flower boxes, courtyard gardens, farmland vegetable plots, greenhouses, lawns, etc. 2. APP Control: Digital soil tester adopts wireless signal transmission, APP real time view temperature and humidity data, temperature and humidity history curve, linkage APP automatic waterer to realize automatic irrigation. 3. Stainless Steel Probe: Soil moisture meter's probe is made of austenitic 304 stainless steel to prevent rust, electrolysis, acid and alkali corrosion, to ensure the long term operation of the probe. 4. IP67 Waterproof: Soil tester's protection level is IP67, which can prevent water from entering the inside of the body and has better sealing performance. 5. Superior Performance: Soil moisture meter has industrial grade performance, low power consumption, highly sensitive measurement, stable performance. Specification: Item Type: Soil Tester Material: ABS, Stainless Steel Weight: Approx. 160g/5.6oz Battery: 2 AA Batteries (Not Included) Score Measurement Range: 0~100 Percent Moisture Accuracy: 0~50% (±3 Percent),50 Percent~100 Percent (±5 Percent) Temperature Measurement Range: -20 ° C ~ 60 ° C Temperature Accuracy: ±1℃ Communication Protocol: for Zigbee APP Data Response Time: 60s Protection Level: IP67 Probe Length: Approx. 6cm/2.4in. Package List: 1 x Soil Tester (Batteries Not Included)1 x Instruction Manual Note: Please allow some error in manual measurement.