The CT70, despite its compact size, is a very producitve automatic scrubber with the capability of cleaning up to 50,000 square feet in one charge. The ease of use, and maneuverability makes the CT70 automatic scrubber perfect for medium size spaces. Optional on-board charger Tank capacity: 19/20 gallons Scrubbing width 20", 24" and 28" Battery operated Floating brush system Anti-foam system Exclusive V squeegee Spin-on/Spin-off brush (20" only) Superior balance and maneuverability Brush and traction drive