Using WiFi communication technology, square design with LCD liquid crystal display, high-definition touch fit stable quality, unique three-dimensional sense of science and technology; a key to light up the screen, real-time view of the air quality, the use of laser measurements, high precision, wide range, short time, can move to measure the quality of air in different locations, support temperature and humidity, formaldehyde, PM2.5, VOC, five types of gas monitoring; when the parameter content of the air is over the limit When the content of air parameters exceeds the standard, the LCD screen display font automatically changes color, when the font shows red, it means that the air quality is extremely poor and take the initiative to report the information to the Aigang Zhijia app, which can be linked to open the automatic window or air purifier, humidifier on, in order to create a healthy and comfortable living environment for the family.