Automatic assembly brush pad Steel gear drive the brush ,which is much more reliable and durable Detachable tank design, easy to rinse Electromagnetism valve device, water spray stops as soon as brush stops Italy original suction motor with big suction power and long using life Durable roto-moded housing is virtually indestructible Key switch prevents unauthorized use; hour meter, brings high efficiency in operation and maintenance. Parabolic swing squeegee for effective solution recovery on tight turns