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. The de-tangling Digital Motorbar cleaner head deep cleans carpets and hard floors and adapts suction power to floor type. Its versatile cordless format transforms into a handheld vacuum with one click so you can clean up high, down low, and everywhere in between. Comes with a 2-year warranty and lifetime Dyson support. Accuracy may vary. Best accuracy in Auto mode. Auto ramp feature in Auto mode only..