Karcher BR40/25 automated floor scrubber.
Roller brushes, Self pushed.
24 volt, Uses 2x 12 volt deep cycle electric batteries.
Electric batteries are 1 years of age and have lots of life left in them.
http://dealerkci.karcher.ca/Upload/13/DocumentLinks/BR%2040-25%20C%20Bp.pdf.
Product could be watched at Jones' Valu-mart in Thessalon.