Dyson-engineered suction power uses 15 Radial cyclones across 2 tiers that work together to enhance airflow and spin dust and dirt out of the air and into the bin;Dyson digital motor V8 produces 20% more suction power than the V6, delivering top-notch performance for any cleaning job;Lithium-ion battery delivers up to 40 minutes of fade-free suction and features a trigger grip that releases instantly to ensure battery power is only used for vacuuming;Max power mode can be easily selected and offers up to 7 minutes of greater suction for harder jobs;Whole machine HEPA filtration system captures allergens and releases air that’s cleaner than the air you breathe thanks to its completely sealed design