Product Features: · scrub brush and vacuum momentum in Marfa, the ability to ensure high-quality dry cleaning, multi-type ground dirty environment, excellent adaptability · ECO-flex green smart clean technologies to reduce the environmental impact of maximizing to significantly reduce the overall costs · One button operation, replace the absorbent strip without tools for easy removal of the protective cover to protect brush plate, the most simplified operation and maintenance, improve work efficiency and operational safety ? Only 61 db work volume, improve operator comfort, the green in the end. Product Specifications: Description Unit SC800-71 SC800-71C SC800-86 Voltage V 24 24 24 Rated power W 1890 1910 1890 Working volume dB (A) 61 61 61 Cleaning Efficiency Theory / actual M2 / h 4120/2470 4120/2470 4990 / 2990 Cleaning width mm 710 710 860 Max speed Km / h 5.8 5.8 5.8 water / waste water tank L 95 95 95 Brush / scouring pad diameter mm 2 * 355 2 2 * 430 个 roller brush pressure plate kg 36/77 36 / 7736/77 Brush rotation speed rpm 270 840 270 battery box size mm 616 * 362 * 362 616 * 362 * 362 616 * 362 * 362 Length * width * height cm 148 * 78 * 113 148 * 78 * 113 152 * 88 * 113 Weight kg 169 174 170