Air Quality Monitor Carbon Dioxide Detector

Features:
One Machine Multipurpose, monitor CO2 and formaldehyde at the same time, high-performance chip to ensure higher detection accuracy.
Highly accurate air quality monitoring system with professional-grade detection technology, accurately and quickly test. Air supervision can be carried out continuously to ensure timely detection of control quality problems.
Large LCD display, convenient for your reading anytime.
No need to stare at the machine value all the time, once the value exceeds the limit, it will immediately sound an alarm.
Suitable for use in the car, living room, house with new furniture and decoration, kitchen, bedroom, office, classroom, etc.