Dyson 20271-02 DC-35 (Certified Refurbished) Vacuum Dyson digital motor- 3 times faster than conventional motors. Creates the most power-efficient cordless vacuum. Motorized floor tool with carbon fiber brushes-Ultra-fine conductive carbon fiber brushes clean hard floors. Rotating nylon brushes remove ground-in dirt from carpets. 22.2V lithium-ion battery- Releases charge evenly. Recharges up to 3 times faster than others. Dyson digital motor- 3 times faster than conventional motors. Creates the most power-efficient cordless vacuum. Motorized floor tool with carbon fiber brushes-Ultra-fine conductive carbon fiber brushes clean hard floors. Rotating nylon brushes remove ground-in dirt from carpets. 22.2V lithium-ion battery- Releases charge evenly. Recharges up to 3 times faster than others. Root Cyclone technology- Patented technology that doesnt lose suction power as you vacuum. Detachable long-reach wand- Lightweight aluminum wand reaches high, low and into awkward gaps.