From Dyson, this cordless upright vacuum features:The Dyson V15 Detect is engineered with the power, intelligence, versatility, and run time to deep clean your whole home. Dyson illumination reveals invisible dust on hard floors. A piezo sensor intelligently optimizes power and run time based on the debris picked up, reporting it all on the LCD screen.³ The de-tangling Digital Motorbar™ cleaner head deep clean