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 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 4. IP67 waterproof, can prevent moisture from entering the inside of the body, good sealing 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. :Thermometer Hygrometer Display Type:Analog Style:Embedded Model Number:THE01840 Attention: When using the product, it must be paired with a gateway, otherwise the APP cannot be connected Moisture measurement range:0~100% Moisture accuracy: 0~50% (±3%) , 50~100% (±5%) Temperature measurement range: -20°C~60°C Temperature accuracy: 1°C Communication protocol: Zigbee APP response time: 60s Power supply: 2 pcs AA dry batteries(not included) Size: 120 x 180 x 46.5mm Probe Length: 60mm Protection class: IP67 color:White Material:plastic Package Contents: 4 x Soil Moisture Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.