EVO2 Endure from FANAWAY® is an advanced ceiling fan with unique aesthetics and energy efficient design. Switched off, the traditionally intrusive fan blades automatically retract and conceal, and visually the unit transforms into a slim, modern light pendant. Turning the fan on creates a centrifugal force which deploys the blades to circulate air within a room. It creates open space in the room environment, accumulates less dust, and is unobtrusive and versatile to visually integrate into most building interiors. Please note- this fan with it's advanced blade technology does require that the blades be cleaned regularly. For optimal performance, we recommend you clean your Fanaway blades every season.