Tornado BD 14/4 Bat 24Volt Brush Drive Micro Scrubber with Built in ChargerDesigned to scrub hard to clean areas where a traditional mop and bucket are used, the battery operated BD 14 4 Compact Cordless Automatic Scrubber from Tornado is powerful, versatile, and perfect for small or confined spaces. Cleaning approximately 11,300 square feet per hour, hard floors are left clean, dry, and safe in no time. The BD 14 4 delivers deep cleaning power with its 14 inch brush spinning at 180 RPM, removing grime and stubborn stains