1 High Accuracy: This air quality monitor is equipped with a high accuracy sensor to ensure accurate monitoring of HCHO and CO2 levels in the air. 2 Color Screen Design: This air quality tester is designed with a color screen that intuitively displays the test results, making it easy for users to understand indoor air quality and take immediate action. 3 Rechargeable Design: This CO2 detector adopts rechargeable design, which is easy to carry and use, no need to replace batteries frequently, environmental protection. 4 Multifunctional: This gas monitor alarm detector is multifunctional and can be used to detect a wide range of gases, such as HCHO, TOVC, CO2. 5 Wide Application: This portable CO2 monitor has a wide range of applications and can be used at home, schools, factories, workshops and so on.

What's in the box
1 x Air Quality Monitor