1.Real-time monitoring of soil temperture and humidity data. 2.Record historical data. 3.Powered by 3 No.7 batteries,the battery life can reach 3 to 4 months. 4.Adopting high sensitivity probe,the corresponding speed is fast, stable and reliable,and the measurement is accurate. 5.The waterpoof level can reach IPX5. Battery: 4.5V,3x AA battery (not included) Humidity measurement ranges: 0-100% Humidity accuracy: 0-50%(±3%),50%-100%(±5%) Temperature measurement ranges: -10℃ to 60℃ Temperature accuracy: ±1℃ Measurement accuracy moisture:±10% Communication protocol:Bluetooth Colour:Yellow Material:Plastic+Metal Package Contents: 1x Tuya Smart Soil Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.