Upgrade the indoor air quality monitor with built-in DART electrochemical sensor, which can accurately detect carbon dioxide (CO2), formaldehyde (HCHO) and volatile organic compounds (TVOC). Real-time data and averages are available. It is recommended that you on the average value of each gas after the test, because the real-time data is unstable due to long-term monitoring. Everyone needs to know about the air quality where you live. This air monitor has an LCD digital color screen that is large and easy to read. The air monitor is easy to operate, just press the function button. The full-page design is convenient for everyone to read real-time readings and is easy to carry. It can help detect air quality in homes, kitchens, bedrooms, offices, schools, cars, hotels, travel, camping, parties, etc., especially for babies, children and pregnant women., Manufacturer: DRAUXI