CO2 Detector, 3-in-1 Indoor Air Quality Monitor Detecting Carbon Dioxide Temperature, Humidity, and CO2 NDIR Detector

【High-Precision Sensor】: Our air quality monitor uses non-dispersive infrared (NDIR) technology and can track CO2 concentration, ambient humidity, and temperature in real time.【Ventilation Reminder】 Our carbon dioxide detector has a 3-color LED indicator and an emotion icon to remind you of the surrounding CO2 level. This not only helps maintain people's work productivity but also helps prevent respiratory health problems.【Portable CO2 Sensor】 This CO2 level detector is lightweight, and the battery can be used for 6 hours after a full charge. You can take it with you wherever you go.【Easy to Use】: The two buttons on the back of the carbon dioxide monitor perform all operations, including temperature switching, backlight activation/deactivation, and manual calibration.