... motor from Ametek 3,with forward speed adjustment Automatic Floor Scrubber Dryer1,with CPU control2,suction motor from Ametek3, ... water for you Touch style panel, easy for operationAdjustable brush pad assisted system, easy and convenientBig mouth for solution ... it will be better for after-sale service OptionalEquipped with brush pad pressure adding system, can increase additional 20kg pressure, ...