Carefor CF-9A Portable Air Quality Monitor For AQI, PM2.5, PM10, CO2, Temp and Humidity,With Buzzer Alarm Coin Purses checking levels using a monitor

checking levels using a monitor can help you identify poorly ventilated areas

High concentrations of carbon dioxide will inhibit the respiratory center

or air supply openings

If you are at all unsatisfied

Optical ParameterDisplay Technology: DLPImage Brightness: 150 ANSI lumenLight Source: LED(R

Carefor CF-9A Portable Air Quality Monitor For AQI, PM2.5, PM10, CO2, Temp and Humidity,With Buzzer Alarm Coin Purses checking levels using a monitorProduct Description Carefor CF 9A Portable Air Quality Monitor is a powerful functional monitor which can monitor the Air Quality Index(AQI) for you, including PM2. 5, PM10, CO2, Temperature and Humidity. Its equipped with a dedicated sensor for CO2, PM,2. 5 and PM10, enabling accurate measurement of AQI in real time. You can hang AQI sensor on the wall, put it on the table or take it anywhere with you so that you are able to monitor the air condition