Features: Provide fast response and accurate measurements, giving you real-time data on current soil status. The soil monitoring sensors have voice controlling function, and can detect current soil moisture in real time. Supports various calibration ways including temperature and humidity meter modes, ensuring precise data for both air and soil conditions. You can view the temperature and humidity data on the mobile APP. Monitor current soil status and moisture content in real time, respond quickly and measure accurately. After setting the parameters, the device can intelligently detect the moisture content and issue alarm in time when there is a lack of water. Specifications: Component: Plastic Soil moisture ranges: 0%~100% Temperature resolution: 0.1°C Humidity resolution: 1.0% Temperature measurement accuracy: ±0.5C Humidity measurement accuracy: ±5% Battery type: 2Pcs 3A battery (not included) Wireless protocol: IEEE802.15.4 Standby current: ≤20uA Standby time: ≥12 months Working temperature: -10~55°C Working humidity: maximums 99% Size: about 150x30mm/5.91x1.18inch Package Includes: 1pc Humidity Temperature Tester note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.