Features 1、Multi in One: This is a multi in one air quality detection module, integrates laser dust, infrared carbon dioxide, electrochemical formaldehyde, VOC, temperature and humidity sensors. 2、Wide Measurement: The module can accurately measure the concentration of various gases in the air, with 485 communication interface, UART output mode. 3、Automatic Output: This module can automatically output 7 sets of data of CO2, CH2O, TVOC, PM2.5, PM10, temperature, humidity monitoring data through signals every 2 seconds. 4、High Performance: The module has high sensitivity, stable data output, and high precise, the temperature accurate to 0.01℃, humidity accurate to 0.04%. 5、Wide Usage: This module can be used in gas detector, air quality monitoring, air purifier, air conditioner, HVAC system, smart home, other IAQ system. Specification Item Type: Air Quality Sensor Module Material: PCB Output Method: 485 protocol CO2 Measurement Range: 400ppm to 5000ppm CO2 Measurement Accuracy: ±10% CO2 Measurement Resolution: 1ppm CH2O Measuring Range: 0ug/m³ to 2000ug/m³ CH2O Measurement Accuracy: ±10% CH2O Measurement Resolution: 1ug/m³ TVOC Measurement Range: 0ug/m³ to 2000ug/m³ TVOC: Measurement Accuracy: ±25% TVOC Measurement Resolution: 1ug/m³ PM2.5 Measurement Range: 0ug/m³ to 999ug/m³ PM2.5: Measurement Accuracy: ±10% PM2.5 Measurement Resolution: 1ug/m³ PM10 Measurement Range: 0ug/m³ to 1000ug/m³ PM10 Measurement Accuracy: ±10% PM10 Measurement Resolution: 1ug/m³ Temperature Measurement Range: -40℃ to 100℃ Temperature Measurement Accuracy: ±1℃ 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 Operating Voltage: 5.0V DC Working Current: ≤500mA Warm up Time: 2 minutes (only TVOC needs to be warmed up, other parameters can be displayed when powered on) Working Humidity: ≤95%RH Working Temperature: 0℃ to 50℃ Service Life: 5 years (in air) Application: Gas detector, air conditioner, air quality monitoring, air purifiers, HVAC systems, smart homes Package List 1 x Air Quality Sensor Module 1 x Data Cable