【Solar Powered】This smart soil sensor is equipped with a top-mounted solar panel that charges the built-in rechargeable batteries, ensuring long-term outdoor operation without the need for frequent battery replacements. 【Multi-Parameter Monitoring】The sensor accurately measures soil temperature, humidity, and electrical conductivity (EC), providing comprehensive data for optimal plant care and agricultural management. 【Wireless Connectivity】Utilizing Zigbee 3.0 technology, the sensor transmits data wirelessly to a compatible gateway, allowing for seamless integration with smart home systems and remote monitoring capabilities. 【Weather-Resistant Design】With an IP66 waterproof rating, this sensor is built to withstand outdoor conditions, making it suitable for various gardening and agricultural applications. 【Smart App Control】Access real-time soil data, receive low battery alerts, and view historical records through a user-friendly mobile app, enabling informed decision-making for plant care. Specifications: Power Supply: 1.2V×3 Ni-Mh Battery (Rechargeable) Solar Charging Current: 35ma Temperature Detection Range: -10 ~ 60°C (14°F ~ 140°F) Moisture Detection Range: 0 ~ 100%Rh (Non-Condensing) Electrical Conductivity Detection Range: 20ms/Cm Temperature Detection Accuracy: 0.5°C (Adjustable) Moisture Detection Accuracy: 5%Rh (Adjustable) Electrical Conductivity Detection Accuracy: 3%Fs 0.01ms/Cm Time Span Of Detection: 10min (Adjustable) Communication Protocol: Zigbee 3.0 Wireless Protocol: Zigbee Ieee 802.15.4 Wireless Distance: 50m Waterproof Grade: IP66 Working Temperature: -10 ~ 60°C (14 ~ 140°F) Working Humidity: 0 ~ 100%Rh (Non-Condensing)