1Rapid Measurement: Can quickly measure indoor carbon dioxide concentration, temperature, humidity and other parameters, to provide you with a healthier indoor environment. 2Multifunctional: With real time monitoring, data recording, alarm and other functions, convenient for you to know the indoor air quality at any time, and take measures in time. 3Easy to Carry: The instrument is small and light, easy to carry, suitable for home, office, school, factory and other occasions, to meet the needs of different scenarios. 4With the Display Screen: The display screen is clear, simple and convenient to operate, can intuitively display the parameters of the data, so that you have a clearer cognition of the air index. 5Reliable Data: High accuracy sensor ensures accurate and reliable measurement data, and provides you with effective and practical data, which is a nice choice for you.