3 In 1 Carbon Dioxide CO2 Temperature Humidity Detector Desktop Small Carbon Dioxide Detector Portable Home Office Hotel Indoor Temperature Humidity Meter Screen Brightness Adjustable

Features:
Large Display Screen: This CO2 monitor with a large display screen for you to see the detecting data more clearly, you can get the results easily.
Portable Size: This monitor is small in size and you can use it on your desk without taking up too much desk space, also easy for you to carry.
Screen Brightness Adjustable: The brightness of the screen can be adjusted according to your needs, you can easy reading even in dark environments.
Wide Applications: This CO2 monitor can be used in your home, office, destop, hotel and other places.
Built-in Lithium Battery: This CO2 monitor using built-in large capacity to supplys power, you can recharge it in time.