The 12 in 1 Air Quality Monitor Indoor is a portable indoor air quality meter designed to monitor CO2 and other air quality parameters. Made by the brand air quality monitor, this device is compact and easy to use, making it ideal for testing the air quality in various indoor environments. With its sleek white design and reliable performance, this air quality monitor provides accurate readings of CO2 levels and other air quality metrics, ensuring a healthy and safe environment for users in China and beyond.