Portable Digital CO2 Detector Multifunctional Formaldehyde Tester Air Quality Monitor Air Analyzer

Features:
Highly accurate indoor and outdoor air quality monitoring system with professional grade detection technology.
Large LCD display, convenient for your reading anytime.
Suitable for using in the car, living room, house with new furniture and decoration, kitchen, bedroom, office, classroom, outdoor environment, etc.
Built-in large capacity lithium battery.
High-performance intelligent electrochemical independent sensor, so that the data can be seen as real, slight visual, enough reassurance.
No need to stare at the machine value all the time, once the value exceeds the limit, it will immediately sound an alarm.
You can use double-sided sticker to stick the product on the wall, or install the product by first installing pegs on the wall and then hanging the product on the pegs.