[Multi-function ] air quality monitor to accurately monitor your environment! It not only displays CO2 level, humidity, temperature, HCHO, TVOC in real time, but also updates the date and time in real time. Provide perfect guarding for your indoor space! [Intuitive Display]With a clear LED screen, our air quality tester for home makes complex data easy to understand and quickly accessible. Easily gain clear into the health of your environment, day or night. It is your ideal companion to create a healthy living space. [Easy to set up and Use]This air quality detector is designed to be easy to set up and operate, allowing you to start monitoring your indoor air quality in minutes. The user-friendly interface makes it easy for everyone to use. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:White Material:Plastic Package Contents: 1x Air Quality Tester 1x English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.