After three attempts with low-cost, battery-operated devices, I've decided, sometimes resorting to something higher quality. First of all let me say that the functions of this pedicure sets are really great. It can be set to both left- and right rotation. Nor can the speed super set. Replacing the essays carried out trouble, they are firmly and correctly. The length of the power cord is unfortunately so small that you either sit down for use of the appliance next to a wall outlet or have to use an extension cord. The whole always degenerates then into a tangle of cables ......