Dyson DC40 Multi floor upright vacuum cleaner Dyson cyclone technology captures more dirt and microscopic dust than any other with no loss of suction. Radial Root Cyclone technology- airflows remodeled to maximize suction power Cleaner head self-adjusts for optimal contact - even on hard floors Turns on a dime with more components housed inside the ball for easier access to awkward spaces 5 Year Warranty- parts and labor guaranteed by Dyson for 5 years