Machine control panel uses off-the-shelf toggle and marine duty switches and features universal icons which simplifies training. Vacuum muffler allows machine to consistently achieve as low as 72 dB while thoroughly drying the floor. Squeegee adjustments made simple with simple wing-nuts, allows toolless maintenance of the squeegee blade. High performance motors and down pressure provides an unmatched standard of cleaning. Front fill system features a stainless screen protecting your scrubber from debris for easy bucket filling. 5/16" thick poly tank. 3/16" powder coated steel chassis. 10 gallon solution and recovery tanks. 1.25 gallon dimisting chamber. 85 AH wet battery with up to 2.5 hour run time. Charger: 120VAC/60Hz input - 24VDC/8 amp output. (2) 8" x 2" rear wheels; (2) 2.5" x 1.38" front casters.