The device is practical, well thought out, efficient; it seems robust. Cleaning of windows becomes easy and fast. The product passed on the glass cleans; the suction squeegee then absorbs the liquid that does not flow and leaves clean, dry glass. Optionally, a small cloth shot in the corners to perfect finishing. It is no longer necessary to spend long board and a sponge and rags on the glass to clean, remove the liquid and traces.