Description: Infrared Co2 Sensor ModuleThe carbon dioxide sensor utilizes the principle of nondispersive infrared (NDIR) to detect the presence of carbon dioxide in the air.DesignIt has the characteristics of good selectivity, no oxygen dependence, and long life. Built in temperature compensation; At the same time, it has serial port output and PWM output, which is convenient to use. FeatureThe sensor has a high performance sensor that closely combines mature infrared absorption gas detection technology with accurate optical design and accurate circuit design.Stable and DurableCarbon dioxide sensor modules have excellent stability and long service life, so you can use with confidence.ApplicationsSuitable for air quality monitor equipment, fresh air system, air purification equipment, smart home, air detection equipment, etc. Specification: Material: PP, Size Chart: 3.25cmx2.08cmx1.76cm/1.28inchx0.82inchx0.69inch Package Includes: 1 CO2 Sensor Module Note: Please allow slightly errors due to manual measurement and different monitors.