Features: 1Integrated Sensing Type: This sensor is an all in one air quality module with integrated dust sensor, infrared CO2 sensor, electrochemical formaldehyde sensor, VOC sensor, temperature and humidity sensor. 2Accurate Measuring: This sensor can accurately measure the concentration of various gases, with UART (TTL level) communication interface, which makes the use more accurate. 3Stable Performance: High sensitivity and stable data. Temperature is accurate to 0.01, humidity is accurate to 0.04%, and seven sets of sensor monitoring data are automatically output through UART signal every 2 seconds. 4Simultaneous Output: This sensor can get the simultaneous output of carbon dioxide, formaldehyde, TVOC, PM2.5, PM10, temperature, humidity, a total of seven groups of data, powerful function. 5Wide Application: This sensor can be used in gas detectors, air conditioners, air quality monitoring, air purifiers, HVAC systems, smart homes or other IAQ systems. Package included: 1 x Sensor Module 1 x Data Cable