15", 3.5-gallon, battery micro scrubber, 15" brush, 20" squeegee assembly, 5-amp charger, two AGM 33 a/h batteries is an automatic scrubbers: fang™ and as series in the Advance, Nilfisk and Viper floor-care range available through A.J. Gates. The listed cleaning width is 15.0 inches. The listed squeegee width is 20.0 inches. The listed tank capacity is 3.5 gallons.