Description: Sensitive measurement: wireless soil temperature hygrometer can simultaneously measure soil moisture and temperature, and connect app through Zigbee. High industrial performance, low power consumption, high measurement sensitivity, and stable performance. Stainless steel probe: The stainless steel probe has accurate measurement, corrosion resistance, electrolysis resistance, and stable performance. Portable: Real time signal transmission, allowing you to view temperature and humidity data anytime and anywhere on the t-uya app. Historical temperature and humidity curves are also provided to provide a basis for analysis. It can be connected to an automatic watering device for automatic irrigation. Waterproof: IP67 waterproof grade, which can prevent moisture from entering the interior of the machine and has high sealing performance. Wide scope of application: especially suitable for a variety of soil type, can be used for potted plants, vegetable greenhouses, farmland, vegetable fields, lawns and other places. Specification: Name: Soil temperature and moisture tester Material: plastic+304 stainless steel Battery: 2 * AA battery (not included) Humidity measurement range: 0-100% Humidity accuracy: 0-50% (± 3%), 50% -100% (± 5%) Temperature measurement range: -20 ℃ to 60 ℃ Temperature accuracy: 1 ℃ Communication method: Zigbee Application data response time: 60 seconds for Protection level: IP67 Size: Approx. 180 * 47 mm/7.09 * 1.85 inches Packaging size: Approv.197 * 50 * 50mm/7.76 * 1.97 * 1.97in Packaging weight: 145g/5.11oz Package Includes: 1 Piece Soil Temperature And Humidity Tester.