Effortless monitoring and airflow optimization Combines a dust air sensor, an integrated fan, and an LED display to provide real time readings of PM2.5, temperature and humidity for optimal air quality Accurate readings you can trust This triple air quality detector uses a dust sensor with a built in fan to sample air and clearly display PM2.5, temperature and humidity data Clear data at a glance LED display presents current air quality metrics for quick assessment. Compact size suits desktop or shelf placement for a neat setup Reliable pollution analysis Monitors indoor and outdoor air quality and helps detect pollutants such as dust and haze, enabling informed ventilation and filtration decisions Thoughtful and practical A useful scientific air quality monitor for precise environmental analysis, suitable as a gift for family and friends Use scenarios 1) Home living room or bedroom to monitor air quality and adjust ventilation 2) Office or study area to maintain comfort and productivity 3) Classroom, laboratory, or workshop to track air conditions during activities