Patented Level 3 Root Cyclone technology is the most efficient cyclone technology for capturing microscopic dust. Powered by the Dyson Digital motor which is smaller, lighter and more powerful than conventional motors with zero carbon emissions. Hygienic and quick to empty clear bin minimizes risk of contact with dust. No extra costs with no bags to buy and lifetime filters and belts. Hose and wand compress and wrap for easy storage. Includes stair, combination brush and hard floor tools.