Experience cleaner floors, all at the push of a button with the Roomba 640 robot vacuum. The 3-Stage Cleaning System is specially engineered to loosen, lift, and suction everything from small particles to large debris from carpets and hard floors. Just press clean and Roomba gets to work – no programming required! The 3-Stage Cleaning System uses Dual Multi-Surface brushes, a specially designed Edge-Sweeping brush, and vacuum suction to attack everything from small particles to large debris on your carpets and hard floors.
Compare on Amazon at $350!