Features: 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: