AAIOT TVOC sensor is an all-in-one device for detecting air quality in the environment. It detects CO2, PM2.5, formaldehyde, TVOC, temperature and humidity. AA IOT air sensor mainly applied to detecting environmental odor and air level. It operates the conditioning and fresh air systems during the Internet of Things platform received environmental data and interacts with the third-party control system. It is suitable for multiple industries such as cooperate, education and home-used.