Those are two cable powered floor cleaning machines, the brush base is provided with two counterrotating brushes with a cleaning width of 45 and 55 cm.
It is particularly indicated for small environments possibly free from obastacles so where the power cable does not represent an obstacle during work.
This machine, as the other cable powered models is provided with an improved solution tank that thanks to its big capacity gives the machine a longer autonomy. As there is no battery to charge the machine has the advantage to be always ready for work. Those are optimal version thanks to their convenience.