1、I2C INTERFACE: The carbon dioxide sensor module is fully calibrated and linearized, and the I2C digital interface address is 0x62 2、MULTIPLE FUNCTIONS: This CO2 sensor can also be used to measure temperature and humidity, with CO2 content and temperature measurement functions, which is a very practical tool 3、COMPACT AND PORTABLE: CO2 sensor module is compact in size, light in weight, easy and quick to install, suitable for DIY users 4、WIDE RANGE OF APPLICATIONS: This CO2 sensor can be used in homes, botanical gardens, bookstores, offices, buses, etc., to help measure CO2 levels 5、TECHNICAL PARAMETERS: The CO2 detection module has a measurement range of 400ppm ‑ 2000ppm with an accuracy of ±50ppm + 5% of the reading