The Dyson V10 Cordless Vacuum is powered by the Dyson digital motor V10, it provides powerful suction to remove hidden dust and dirt, with constant powerful fade-free suction to clean anywhere.150 air watts of suction power (1). Air watts are a true measure of suction power. The Dyson V10 has 150 AW of powerful suction - 30% more than the Dyson v8(1) and up to 60 minutes of fade-free power (2). No loss of suction (3). Some vacuums lose over 70% of suction when their bin is half full (3). This is because layers of dust clog internal filters and block airflow. Dyson Radiall Root Cyclone(TM) technology captures dust and debris from the airflow, with no loss of suction. Maintaining maximum suction power. Motorbar(TM) Cleaner Head - Motorised edge-to-edge cleaning with de-tangling technology. Hair Screw Tool - Picks up hair fast. With Dyson anti-tangle technology. Anti-tangle conical brush bar spirals hair off and into the bin to prevent wrapping of hair around the brush bar. Hygienic "point and shoot" bin emptying. Quickly transforms to a handheldDisclaimers: (1) Suction power tested in most powerful 2) In suction mode one with non-motorised tools. (3) Tested in accordance with IEC62885-4 Ed1.0 Cl5.8 & 5.9. Compared against the top 5 cordless vacuum cleaner brands. (4) Tested against ASTM F1977-04 (particles sized 0.3-0.5 microns), tested in MAX mode