Dyson's cordless hoover with high suction power and smart technology. Up to 120 minutes runtime incl. rechargeable battery with change function. The floor nozzle with dust detection technology detects otherwise invisible particles. It makes invisible dust on hard floors visible - so you won't miss anything. Measures microscopic dust particles. A piezoelectric sensor continuously calculates the number and size of the dust particles sucked up - and automatically increases the suction power if necessary. The LCD display shows the quantity and size of the vacuumed dust particles in real time. Highly efficient filtration of the entire appliance. Dyson's fully sealed, five-stage filtration system removes dust and traps 99.99% of particles as small as microns. The floor nozzle automatically adjusts to different floor types. LCD display monitors system performance 8,000 times per second and reports data in real time via the LCD display. The right suction power for different cleaning tasks. The right balance between suction power and runtime, according to the cleaning tasks.