4. IP67 waterproof, can prevent moisture from entering the inside of the body, good sealing 2. Wireless signal transportation, APP can view temperature and humidity data in real time 3. Stainless steel probe, accurate measurement, resistance, electrolysis resistance, stable performance 1. Wireless soil temperature and humidity measuring instrument, which can measure soil humidity and temperature at the same time, and connect to Tuya APP through Zigbee 5. It is suitable for a variety of soil types, and can be used in potted plants, vegetable greenhouses, farmland vegetable fields, lawns and other places., Weight: 0.70878617233 Pounds, Manufacturer: Taviko