MINUTEMAN Walk-Behind Automatic Scrubber is small an compact, making automatic scrubbing convenient even in tight spaces. Covers 17,000 square feet per hour. Battery operated unit includes built-in 24-volt battery. Includes 12-gallon solution tank and 13-gallon recovery tank. Adjustable handle and ergonomic hand bails for easy maneuverability. Operator does not need to adjust squeegees. Features easy brush loading and unloading operation: just turn the switch.