Maxlong LS-xxx air quality sensor is used for indoor air quality monitoring, which can modify important air quality data. Maxlong LS-xxx can accurately measure a wide range of ambient pollutants, including carbon dioxide, CO2, CO, PM2.5, PM10, HCHO, TVOC , CH4, C3H8, environmental factors such as temperature and relative humidity, real-time data transmission through the RS-485/LoRa communication interface.