Smart Air Quality Control & Real-Time Feedback- Experience hands-free air purification. The built-in particle sensor automatically detects airborne contaminants like dust, pollen, and pet dander, then intelligently adjusts fan speed to optimize performance. The intuitive 4-color LED ring gives you an instant, visual understanding of your home's air quality, putting you in control. H13 True HEPA Filter Air Purifiers- Breathe the deepest sighs of relief. Our 3-stage filtration captures 99.97% of airborne particles as small as 0.3 micronsincluding dust, pollen, pet hair, and other allergens. It also helps reduce household smell, delivering a fresher, healthier environment for your family and pets. (Ozone Free - proven safe for asthmatics and children).