Feature: 1. [Multi in One] This is an all in one 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. [High Sensitive] This sensing module has high sensitivity and stable data, and can accurately measure the concentration of various gases in the air. 3. [Accurate Data] The temperature data of this sensing module is accurate to 0.01℃, and the humidity data can be accurate to 0.04%. 4. [Automatic Output] This sensor module automatically outputs seven sets of sensor monitoring data through UART signal every 2 seconds. 5. [Wide Application] This sensor module can be used in gas detectors, air conditioners, air quality monitoring, air purifiers, HVAC systems, smart homes and other IAQ systems. Specification: Item Type: Multifunctional Sensor Module Material: PCB Model: M701 U Output method: UART protocol CO2 Measurement Range: 400ppm-5000ppm CO2 Measurement Accuracy: ±10% CO2 Measurement Resolution: 1ppm CH20 Measuring Range: 0ug/m³-2000ug/m³ CH20 Measurement Accuracy: ±10% CH20 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: ±1℃ Temperature Measurement Resolution: 0.01℃ 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℃-50℃ Service Life: 5 years (in air) Applications: Gas detectors, air conditioners, air quality monitoring, air purifiers, HVAC systems, smart homes. Package List: 1 x Multifunctional Sensor Module1 x Date Cable