Stainless steel probe, accurate measurement, 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. 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. It can be linked to automatic watering devices for automatic irrigation.IP66 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., Weight: 0.81901730333 Pounds, Manufacturer: Oewwthy