The product comes with a high-performance chip of a sophisticated infrared sensor, uses big data algorithm recognition, has advanced technology, so you can evaluate and monitor the data in real time. < p>It has independent NDIR sensors for measuring CO2, temperature, humidity and a laser scatter sensor for air quality (PM2.5). Compared to ordinary and old air quality detectors, its interface design is more concise and intuitive, with clear division and excellent texture. It is easy to carry and you can put it anywhere you want, so you can detect the gas quality in terraces, bars, bedrooms, living rooms, kitchens, offices, cars, schools, hotels, camps. 24-hour real-time monitoring to protect healthy life and safety, ideal for Christmas parties. Besides, the CO2 alarm detector is made of high quality waterproof ABS material, and the data is updated in real time at 1.5 seconds per time, which guarantees a very high consumer experience.