Features: 1) Power: 750W 2) Voltage: 220V / 50Hz 3) Diameter: 13" 4) Speed: 190RPM Controlled by hand-adjustment;Designed critically and works by gears;Equipped with two capacitors which make it safe and more powerful;Can work with a foamer to dry the carpet and avoid making it dirty&damage easily;Can used for floor washing,carpet washing,polishing and low-speed burnishing; Multi-Function Floor ...