Carefor CF-9C Indoor Carbon Dioxide Monitor With Temperature and Humidity and Buzzer Alarm Backpack It’s equipped with a dedicated

It’s equipped with a dedicated sensor for CO2

1 * Mobile Phone holder

Ultra Powerful: Seven ports pump out 50 watts of power

-The anti-theft pocket on the back to prevent your personal belongings

Carefor CF-9C Indoor Carbon Dioxide Monitor With Temperature and Humidity and Buzzer Alarm Backpack It’s equipped with a dedicatedProduct Description Carefor CF 9C portable Carbon Dioxide Monitor is a very helpful tool to let you know whether the environment you are staying is healthy enough. It measures CO2, Temperature and Humidity in real time. Its excellent portability will help you measure air quality anytime & anywhere. You can carry it with you to any places you go for the peace of mind you deserve. And its Buzzer Alarm function will remind you of keeping good ventilation