The present invention, or in particular removable from the cleaning device, or can be connected, or a connected device, at least of the cleaning device or it may be used, or have been used for cleaning at least one sensor means for recording the position of one of the cleaning area, and at least one display device, a display device and at least one sensor means functionally or interact or at least that can be allowed to interact, one of a data processing unit, the data processing device displays at least one first color or colorless at least one representation of the at least one cleaned surface and recording the position of at least the cleaning area of ​​the cleaning device based on the change that is, at least one second color the cleaned surface or color super And it is configured and adapted to display without using Npozu, about the device.