1 Accurate CO2 Detection: Equipped with infrared (NDIR) CO2 detection method, this CO2 detector provides precise and reliable measurement of carbon dioxide levels. 2 Real Time Monitoring: The LCD screen display allows you to easily monitor CO2 concentration, ambient humidity and temperature in real time. The data is updated in real time every 1.5 seconds, realizing 24 hour real time monitoring. 3 Temperature and Humidity Detection: With temperature detection range from -10 to 50 and humidity detection range from 20% to 85%RH, this device provides a comprehensive view of your indoor air conditions. 4 Rechargeable Battery: This monitor is equipped with a 3000mAh high capacity lithium battery, which can supply power for a long time. In addition, the battery is rechargeable, you can use the USB cable to charge it. 5 Automatic Alarm System: When the CO2 concentration exceeds 1000PPM, the air quality detector will send out an alarm to notify you to keep the indoor environment ventilated in time, which is a practical health assistant for you.

What's in the box
1 x Air Quality Monitor