1. Accurate Air Quality Monitoring: Our Air Quality Monitor is equipped with a high-precision sensor that can accurately detect levels of Carbon Dioxide (CO2), humidity, temperature, and more. Stay informed about the air quality in your surroundings with this advanced device 2. Clear and User-Friendly Display: The 3.2-inch TFT full-color screen provides a clear and easy-to-read display of data such as date, time, CO2 levels, humidity, temperature, and other essential information. 3. Extensive Data Stora: Our air quality tester can store up to 999 groups of data, allowing you to track and analyze historical trends. The included chart feature helps you visualize chans in air quality over time. 4. Versatile Applications: This CO2 monitor is suitable for various environments, including households, agriculture, animal husbandry, offices, schools, cars, hotels, travel, camping, and parties. 5. Alarm System: With the built-in high-precision air quality sensor, our monitor provides real-time CO2 monitoring. Once the CO2 levels exceed the preset value, the alarm will alert you immediately.