Air Quality Monitor Indoor CO2 Meter, Accurate Tester with LCD Screen and Alarm Function for Formaldehyde(HCHO), TVOC, Temperature and Humidity, USB Charging
- ...ately capture the weak current generated during the electrochemical reaction, to calculate the carbon dioxide measurement result..
- 【Smart Alarm】: Air quality can be divided into three levels, GOOD, OK and POOR, when the measured air level turns into OK, the indicator will turn YELLOW and the device will sound “Bee--Bee” twice to remind you and when the measured air level turns into POOR, the indicator will turn RED and the device will sound “Bee--Bee--Bee” twice, you will see the color clearly with the large screen..
- 【USB Charging】: Built-in 1200mAh Lithium Battery. Takes 2.5 hours to charge the battery, lasts 6 to 8 hours when it is fully charged..
- 【Wide Application】: The device is ideal to monitor air quality in cafeterias, restaurants, schools, offices, greenhouse, factories, hotels, hospitals, etc. Note: Air changes constantly, the measured results will be affected at the same time, please focus on long time measurements(over 60 minutes) to get a conclusion about the air quality of the overall environment..