Indoor Air Quality Monitor: CO2, Temp Humidity, Wall Mountable USB Powered Display

CO2 Detecting: The air quality detector can monitor and display the carbon dioxide concentration per cubic meter in real time, which is safe and reliable. Temperature Humidity Testing: It can also detect and display the temperature and humidity of the environment to help users understand the environment. Display Screen: Multi function detector, support intelligent color screen display, clear and intuitive numbers, easy to identify and read.