The temperature and humidity of the soil plays a vital role in crop growth. The high and low temperature will affect the decomposition of organic matter in fertilizer by microorganisms in the soil. The high moisture will leads to poor soil aeration, and low moisture will not meet crop growth. This product is a nice helper to cultivate crops and understand their growing environment. 2in1 design, this wireless soil monitoring instrument can measure soil humidity and temperature simultaneously. Features: 2in1 design, this wireless soil monitoring instrument can measure soil humidity and temperature simultaneously. High industrial performance, low power consumption, high sensitivity measurements, stable performance. The probe is made of 304 stainless steel material, with accurate measurements, rust resistance, corrosion resistance, electrolysis resistance, and suitable for long-term operation. 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 Tuya 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