Unique dual counter-spinning rotary brushes (not cylindrical) with two levels of bristles for a deep down clean. Unbeatable performance in a compact size. Only 30 lbs. Does the job of heavier, more expensive equipment but can be stored in a closet and is easy to maneuver. Low carbon footprint-cleans with green chemicals, uses less solution and draws less power. Truly automatic-simply lower the handle to activate- no on/off switch! Comes complete with a high-quality squeegee that leaves floors clean and completly dry. A total cleaning system that promotes clean and sanitized stone, tile and hard floors