[ZigBee Soil Monitoring Sensor] Remotely monitor soil temperature and humidity. No need to be on-site frequently to detect current soil conditions and moisture levels in real time, with fast response speed and accurate measurement. [Voice Control] The soil monitoring sensor supports voice control functionality and can detect current soil moisture in real time via / Home voice assistant. [Multi-Mode Calibration, Adjustable Sampling Time] Supports multiple calibration methods for temperature, air humidity, and soil humidity, delivering more accurate data. Sampling time range is 0 to 1004 seconds (1 minute 44 seconds). After insertion, it quickly detects ambient humidity. [Intelligent Water Shortage Alarm, Real-Time Data Monitoring] Continuously tracks temperature, humidity, and soil moisture changes to provide real-time insight into the planting environment. After setting parameters, the device intelligently detects moisture levels and issues timely alerts when water is low. [Intelligent Linkage] Can be paired with a smart water valve to enable automatic irrigation. (Smart water valve sold separately) Product Name: Zigbee Soil Moisture Sensor Operating Voltage: DC 3.0V Standby Current: ≤20A Temperature Resolution: 0.1 Humidity Resolution: 1% Temperature Measurement Accuracy: ±0.5°C Humidity Measurement Accuracy: ±5% Operating Humidity: Up to 99% RH Wireless Protocol: Zigbee 3.0 Operating Temperature: 10 to 55°C Battery Type: 2 x AAA (not included) Zigbee Gateway: Required Working App: Tuya/Smart Life Voice Control: / Home Warm Tips: 1. This product must be connected to a Zigbee 3.0 gateway to function. 2. This product is of stable quality but cannot guarantee flawless operation at all times. Please check and maintain the device regularly, review app data records, and monitor battery usage and status. Avoid outdoor installation. The device has limited waterproof and dustproof capabilities but is not designed for prolonged exposure to rain. Color: As shown Material: ABS Package Contents: 3 x Soil Tester Note: Light reflection and differences in display screens may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.