DHT21/AM2301 Capacitive Digital Temperature and Humidity Sensor, DHT21 Temperature Humidity Sensor Module 2packHigh-Precision Digital Output: The DHT21/AM2301 sensor offers a digital signal output that ensures high precision, stability, and strong anti-interference ability, making it ideal compatible with critical applications where accura is .Exceptional Long-Term Stability: Utilizing advanced digital module detection and humidity sensor technology, this temperature sensor maintains excellent stability over time, ensuring consistent percompatible withmance and reliability in various environmental conditions.Easy Installation and Versatile Use: This 4-pin sensor requires no additional components compatible with installation, making it straightcompatible withward to integrate into different projects. Its extended signal transmission capability allows compatible with flexible placement and layout adjustments according to project needs.Wide Measuring Range with High Accura: Capable of measuring temperatures from -40 to 80 and humidity from 0 to RH, this sensor provides a temperature accura of 0.5C and humidity accura of 2%RH, suitable compatible with a wide range of environmental monitoring applications.Long Signal Transmission compatible with Diverse Layouts: Designed to support extended signal transmission distances, this digital temperature and humidity sensor is perfect compatible with projects that require remote sensing capabilities, ensuring reliable data collection over larger areas.Colour:blackMaterial:plasticThe actual product may have slight color difference or difference, which not affect the usePackage Contents:2 * Digital Temperature and Humidity SensorOnly 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.