Carefor CF-20 DL New Upgraded Air Quality Monitor with 1 Year of Data，Home Air Quality Test for AQI, CO2, TVOC, HCHO, PM2.5, PM10, Temperature Humidity，CO2 Detector with Dual Alarm

This device tracks 10 aspects of indoor air quality, including air pollutants and environmental factors, and logs data for up to a year.

• The description claims the device improves environmental compliance.
• The description claims the device ensures long-term data accuracy through manual calibration.
• The description claims the sensors provide stable and consistent readings.