Features: • 3-Stage True HEPA Filtration – Pre-filter, H13 True HEPA filter, and activated carbon layer help capture dust, smoke, pet hair, and odors. • Real-Time Air Quality Sensor – Built-in sensor monitors the air and automatically adjusts fan speed for better purification. • Color Indicator Light – Green (Excellent), Yellow (Fair), Red (Poor) air quality display. • Pet-Friendly Air Cleaning – Helps reduce pet dander, hair, smoke, and household odors. • Ultra-Quiet Sleep Mode – Only 23dB, great for bedrooms or night use. • Compact but Powerful – Small size but covers rooms up to 2000 sq ft