Dyson cyclone technology captures more dirt and mircoscopic dust than any other with no loss of suction;Radial Root Cyclone technology- airflows remodeled to maximize suction power;Turns on a dime for greater control;Triggerhead tool- the only turbine head controlled at the handle means no bending down to adjust from carpets to hard floors;5 Year Warranty- parts and labor guaranteed by Dyson for 5 years