The Air Quality Detector is an intelligent device that can detect PM2.5 values and CO2 content in real time. The detector, which was designed in minimalist style, has two displaying modes relating to the functions of air detection and time display. The highlight of the product is the light in the middle, which visually indicates the air quality by changing the light intensity. In addition, the device can contact with an app allowing users to check air quality conditions in real time.