Specification Brand : LiebeWH BulletPoint1 : Large Measuring Range: The measurement range of CO2 detection module is 400‑2000ppm, which is practical. BulletPoint2 : High Accuracy: The measurement accuracy of the detection module is high, and the accuracy is within the range of 50 ppm. BulletPoint3 : Use: This CO2 detection module can detect both temperature and humidity through built in sensors, making the module versatile. BulletPoint4 : CO2 Detection: The module enables intelligent adjustment of the indoor ventilation system based on CO2 concentration, which helps the air stay . BulletPoint5 : Mini Size: This CO2 detection module is compact, easy to install and practical, with a 2.54mm pitch pin connector for power supply and communication pins. Color : 2co22 Electrochemical Formaldehyde Temperature and Humidity Three-in-one Detector (Storage) ExternallyAssignedProductIdentifier : 7597001099377 ExternallyAssignedProductIdentifier1 : 0747333070156 ExternallyAssignedProductIdentifier2 : 747333070156 ItemName : Carbon Dioxide Monitor Sensor Module CO2 Detection Sensor Module Module 2 in 1 Temperature Humidity Sensor 400‑2000ppm ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 8 centimeters ItemPackageDimensions_Width : 6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : indoor-air-quality-meters Manufacturer : LiebeWH Material : plastic ModelNumber : LiebeWH59mfu6qe2a NumberOfItems : 1 PartNumber : LiebeWH59mfu6qe2a ProductDescription : 1. High Accuracy: The measurement accuracy of the detection module is high, and the accuracy is within the range of 50 ppm. 2. CO2 Detection: The module enables intelligent adjustment of the indoor ventilation system based on CO2 concentration, which helps the air stay . 3. Mini Size: This CO2 detection module is compact, easy to install and practical, with a 2.54mm pitch pin connector for power supply and communication pins. 4. Use: This CO2 detection module can detect both temperature and humidity through built in sensors, making the module versatile. 5. Large Measuring Range: The measurement range of CO2 detection module is 400‑2000ppm, which is practical.