Features: 1. Realtime monitoring and realtime display of carbon dioxide concentration per cubic meter, and also can detect and display the temperature and humidity of the environment to help users understand the environment. 2. Intelligent color screen display, the numbers are clear, easy to identify and read. It has a long life and can be charged with a USB cable. 3. It is suitable for office, home, gym and other occasions, with a wide range of applications. 4. More functions: intelligent early warning system, gas identification algorithm, air convection technology, greenhouse compensation calibration. 5. Small and portable, easy to carry, does not take up too much space, and can be installed at home. Note: 1. Due to different monitors and lighting effects, the actual color may be slightly different from the image 2. Due to manual measurement, please allow 13cm deviation Description: Material: ABS Size: 9*7*3.5cm Included: 1 Air Quality Monitor