Advanced air purification automatically captures 50% more NO2. Fully sealed, 3-stage HEPA H13 grade filtration. Removes odors and gases while destroying formaldehyde. Dyson Air Multiplier technology. MyDyson app - control and monitor air quality from anywhere. Hands-free use with compatible voice services. 10 Speed settings. 5.9ft Cord length. Sound level: 61.5dB. Dimensions: 41.34"H x 4.72"L x 8.03"W. Includes HEPA+K-Carbon filter and remote.