Details: Due to the large screen, the data display of each measured value is clearly visible. Use infrared optical principle to accurately detect carbon dioxide and Tvco. Carbon dioxide measurement, Tvoc detection, hazard assessment, temperature and humidity detection, intelligent alarm system, gas recognition algorithm, multiple interference prevention, air convection technology, greenhouse compensation calibration. High-precision sensors are used to display real-time monitoring, pollution data, carbon dioxide concentration per cubic meter and Tvco value in real time. Suitable for various occasions, such as agricultural planting, greenhouse vegetables, production warehouse, material processing, indoor Specification: Material: PVC + ABS Dimensions: 90x70x35mm Carbon dioxide measurement range: 400-5000PPM Sensors: temperature and humidity, CO2, TVOC Package Includes: 1 x carbon dioxide meter 1 x USB cable 1 x User Manual