1、MEASURING RANGE: Soil temperature and humidity sensor probe, with a temperature range of ‑20‑100℃ and accuracy of ±0.2℃, a humidity range of 0‑100%RH and accuracy of ±2%RH. 2、HIGH ACCURACY: The soil temperature and humidity sensor adopts an excellent chip with powerful functions, high accuracy, and a resolution of up to 14 bits. 3、APPLICABLE SCENE: Used for machine room monitoring, weather station, warehouse, construction site, concrete test block detection, greenhouse, flower planting, etc. 4、MULTIPLE FUNCTION: The voltage is 3.3V, a 100nF decoupling capacitor is connected between the internal power supply and the grounding, with full calibration and digital output. 5、300CM LONG CABLE: This sensor has a 300cm extension cable, which is not limited by location and is easy to carry and install, with high reliability and long term stability. Item Type: Soil Temperature Humidity Sensor Model: FS400 SHT31 Working Current: <15mA Humidity Accuracy: ±2%RH Temperature Accuracy: ±0.2℃ Working Voltage: 3.3V Temperature Measurement Range: -20-100℃ Humidity Measurement Range: 0-100%RH Comm Interface: I²C Working Condition: -20-90℃, 0-99%RH Storage Condition: -20-80℃, 0-95%RH Material: Stainless Steel, Plastic Cable Length: Approx. 300cm / 118in Product Features: 1. Digitization, with a resolution of up to 14 bits; 2. Internal self calibration, no calibration required; 3. The close combination of temperature and humidity is convenient for dew point measurement; 4. Anti rain, dust, rust, high reliability and long term stability. 1 x Soil Temperature Humidity Sensor