What's in the box:

4 in 1 Carbon Dioxide Detector Temperature Humidity Air Analyzer for CO2 Digital CO2 Meter for Home Office (White)

Features:
Color screen display: The color screen display makes it easier for you to read and identify in darkness.
Wide application: The portable size enables you to take it anywhere you go. It can be used at home, office, shopping mall, hotels and etc.
4 in 1: It can detect real-time CO2 concentration, humidity, and temperature. The clock function is also added.
Alarm mode: At the alarm mode, the detector will change the screen color and buzz to alert the user to the environment. Green screen: 400-1500ppm/Yellow screen and buzzing per 2S: 1500-3000ppm/Red screen and buzzing per 1s: 3000-5000ppm.
USB charging: It can be charged through the charging port of any mobile device.
Any problems, feel free to contact us. Honor to serve you!

Specifications:
Name: CO2 concentration detector
Material: ABS
Color(optional): white/orange
4in1 detector: CO2 concentration/temperature/humidity/time
Detection range:400-5000ppm
Accuracy:10ppm
Power: 0.6W
Battery: 3.7V 150mAh
Charging time: 2-3h
Working time: 4-6h
Product size: 80*50*80mm

Package information:
Size: 85*85*55mm
Weight: 110g

Package list:
1*detector
1*USB cable
1*instruction