Removes pollen tobacco & pet odors dust & mold spores. Creates nearly 100 percent clean air. Automatic odor sensor activates when dirty air is detected. 3 fan speed settings. Convenient auto shut off timer (1 or 3 hours). Ideal for spaces up to 110 sq ft. Blue halo lighting. Ultra-slim design. Wall-mountable. Includes remote double-filtration HEPA filter & charcoal filter. 1-year warranty