Automatic Floor Scrubber Dryer 1,with CPU control 2,suction motor from Ametek 3,with forward speed adjustment Automatic Floor Scrubber Dryer1,with CPU control2,suction motor from Ametek3,with forward speed adjustmentFeaturesSide-open recovery tank, easy to put or pull out the batteryBig size cap design for recovery tank, easy to rinseWith water level sensor design in the recovery tank, protects ...