The 5-in-1 multi-function air quality monitor can detect CO2, HCHO (formaldehyde), TVOC, temperature and humidity in your living environment. Adopting sensitive sensor, it provides fast and accurate d more→ata on the LCD digital color screen. Built with 1200mAh rechargeable battery, it can be widely used in home, office, classroom, hotel, gym, greenhouse, warehouse and more! < br/> Features: 5 in 1 function: The multifunctional air quality monitor takes care of your health and can be widely used in home, office, indoor classroom, hotel, gymnasium, greenhouse, warehouse, etc. Color LCD screen: displays CO2, CO2 index, HCHO (formaldehyde), TVOC, temperature, humidity and battery level. LCD digital color display >…