SUNMAX RT120+ Self-propelled Walk Behind Floor Scrubber Dryer Machine comes with dual brushes, and features 34-inch cleaning width, 31.7-gallon solution tank, 33-gallon sewage tank, continuously working for 4 hours. Powered by lithium battery, fast charging takes only 3.5 hours, supports partial charging, so short charging sessions can still add meaningful run time, making the machine available for use multiple times a day if needed. It’s a perfect solution for efficient and effortless floor cleaning in various commercial and industrial settings, enabling extended cleaning sessions without frequent refills or waste disposal. This machine is also a must-have for any cleaning professional.