Note:It need to work with tuya zigbee hub. Features: Wireless soil temperature and humidity measuring instrument, which can measure soil humidity and temperature at the same time, and connect to T-uya APP through Zigbee. High industrial performance, low power consumption, high sensitivity measurements, stable performance. Stainless steel probe, accurate measurement, corrosion resistance, electrolysis resistance, stable performance. Zigbee wireless long-distance transmission, it needs to be paired with a gate way, otherwise the product cannot be used. Real-time signal transmission, you can check temperature and humidity data on T-uya APP whenever and wherever you want. Temperature and humidity history curves are also provided to provide a basis for the analysis. It can be linked to automatic watering devices for automatic irrigation. IP67 waterproof level, can prevents moistures from entering the inside of the machine, high sealing. Wide applications, it is suitable for a wide variety of soil types, and can be used in potted plants, vegetable greenhouses, farmland, vegetable fields, lawns and other places. Specifications: Name: Soil Temperature Humidity Tester Material: plastics+304 stainless steel Battery: 2 * AA battery (not included) Humidity measurement ranges: 0-100% Humidity accuracy: 0-50%3%50%-100%5% Temperature measurement ranges: -20 to 60 Temperature accuracy: 1 Communication mode: Zigbee APP data response time: 60s Protection level: IP67 Item size: 180 * 47mm / 7.09 * 1.85in Package size: 197 * 50 * 50mm / 7.76 * 1.97 * 1.97in Package weight: 145g / 5.11ounce Packing List: 1 * Soil Temperature Humidity Tester