3pcs CJMCU-1080 HDC1080 High Precision Temperature And Humidity Sensor Module CJMCU for Arduino - products that work with official Arduino boardsDescription: The HDC1080 is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The HDC1080 operates over a wide supply range, and is a low cost, low power alternative to competitive solutions in a wide range of common applications. The humidity and temperature sensors are factory calibrated. Feature: Relative Humidity Accuracy 2% (typical)Temperature Accuracy 0. 2C