Features:  1.-Multifunction: Carbon dioxide detection, temperature and humidity detection, intelligent alarm system, risk assessment, gas detection algorithm, multiple suppression, air convection technology, calibration of greenhouse compensation.  2.-Scope of application: Co2 detectors can be widely used in households, business offices, educational institutions, agricultural plantings, greenhouse vegetables, production warehouses, material processing, interior decoration, etc.  3.-Real-time update: Carbon dioxide is updated in real-time every second, the carbon dioxide concentration is constantly changing, and under certain conditions, there are large fluctuations and quick measurements to get more stable readings.  4. [High performance & color warning] Use infrared optical principles to detect carbon dioxide accurately and quickly. Professional chips are accurate and better. In the color reminder alarm mode, you can always pay attention to the carbon dioxide concentration.  5.-LCD digital display: Clear and easy to understand, carbon dioxide detection is clear at a glance, the CO2 measuring device can display the carbon dioxide concentration detected per cubic meter in real time. Measuring range 400 to 5000 ppm.    Specification:  Measuring range: 400-5000ppm;  Measurement accuracy: 1ppm;  Measuring object: carbon dioxide, formaldehyde flow range 1 (L/min);  Power: 0.5 (w);  Resolution: 1PPM;  Size: 143x108x29 (mm);  Weight: 0.33 (kg);  Power: 5V;    Package Content:  1 x CO2 Measuring Device