Air Quality Monitor, CO2 Monitor, Humidity Temperature Meter, Air Quality Tester, Professional & Accurate CO2, TVOC, HCHO, Humidity & Temperature Particle Counter, for Home, Office, School

【Real-Time Measurement】The air quality monitor can accurately detect the level of Carbon Dioxide(CO2), Volatile Organic Compound(TVOC), Formaldehyde(HCHO), temperature and humidity, updates the measured results per second on the colorful display.

【Accurate Results】Adopted a high-precision infrared sensor and a built-in high-performance chip, which can accurately 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.

【Low Power Alerts】Built with 1200mAh rechargeable battery and packaged with one 5V USB cable, the standby time can last for 10 hours. Never be anxious about low power.

【Warm Notice】Please notice that this air quality monitor is designed for indoor spaces, so please close the door & windows before testing. Or else the data may not be accurate. We recommend using the monitor and keeping it working for at least 60 minutes before reading the data.