Inaccessible or too dangerous window cleaning are finally washed safely! perfectly adheres to the glass upon two conditions: 1 / glass can be covered with a crust of dirt or mud ... seems logical since it works by suction, but suddenly the windows which, like mine, had never been washed, well I ' had to clean a small area to be able to put it down. 2 / must be laid by pressing STRONGLY, and for a few seconds! ask the difficult so if you are on tiptoe, or leaning into space ... but we always find a solution.
It returns to its original position when finished, so very easy to retrieve.
I wet wipes her with the product to karcher glass, and works very well as well. For very dirty windows will need to pass it twice.
washing is not perfect but it is still clean enough, this robot is for people with difficult access windows or dangerous to access.