1、Multifunction: It is an multifunction air quality module that integrates a laser dust sensor, an infrared carbon dioxide sensor, an electrochemical formaldehyde sensor, a VOC sensor, and a temperature and humidity sensor. 2、Main Application: The sensor module can output carbon dioxide, formaldehyde, TVOC.PM2.5, PM10, temperature, humidity, a total of seven sets of data at the same time. 3、Widely Used: The air quality sensor module can be used in gas detector, air conditioner, air quality monitoring, air purifiers, HVAC systems, smart home and other IAQ systems. 4、High Accuracy: This air quality sensor module is very sensitive as its temperature accurate to 0.01°C, humidity accurate to 0.04% with a stable performance. 5、High Efficiency: Only CO2, CH20 and TVOC need to be preheated, other parameters can be displayed after power on. 6、Real Time Monitor: The signal automatically outputs seven sets of sensor monitoring data every two seconds, which is very efficient and allows for real time monitoring. Item Type: Air Quality Sensor Module Output Method: for 485 Protocol CO2 Measurement Range: 400ppm~5000ppm CO2 Measurement Accuracy: ±25% CO2 Measurement Resolution: 1ppm CH2O Measuring Range: 0ug/m³-1000ug/m³ CH2O Measurement Accuracy: ±25% CH2O Measurement Resolution: 1ug/m³ TVOC Measurement Range: 0ug/m³-2000ug/m³ TVOC Measurement Accuracy: ±25% TVOC Measurement Resolution: 1ug/m³ PM2.5 Measurement Range: 0ug/m³-999ug/m³ PM2.5 Measurement Accuracy: ±10% PM2.5 Measurement Resolution: 1ug/m³ PM10 Measurement Range: 0ug/m³-1000ug/m³ PM10 Measurement Accuracy: ±10% PM10 Measurement Resolution: 1ug/m³ Temperature Measurement Range: -40℃~100℃ Temperature Measurement Accuracy: ±0.3℃ Temperature Measurement Resolution: 0.01°C Humidity Measurement Range 0~100% Humidity Measurement Accuracy: ±3%RH Humidity Measurement Resolution: 0.04% Physical Interface: XH2.54 Female Socket Working Current: ≤80mA Working Temperature: 0℃~50℃ Working Humidity: ≤95%RH Preheating Time: 2 Minutes (only CO2, CH2O and TVOC need to be preheated, other parameters can be displayed after power on) Service Life: 5 Years (in air) 1 x Air Quality Sensor Module 1 x Data Cable