It's multifunctional manual adjusting handle allows a handy and easy operation. Designed with a gear box, double-capacitor motor and high power which make the machine safer and more powerful. It can use for carpet cleaning, floor cleaning, wax removing and low-speed polishing. Technical Data: Item No BD2A Voltage 220/50Hz Power 1100W Current 6.92A Brush rotation speed 154rpm Noise 54dB Brush diameter 17 Weight 48.36kg Cable length 12m Packing 4CTN/Unit Color Blue, red, yellow