WINBOT 9 is a window cleaning robot. It has a patented two-part system, the driving system is separate from the cleaning system. WINBOT 9 starts cleaning with only one push of a button. The encircling cleaning pad and squeegee ensure a deep cleaning of windows. Four groups of anti-drop sensors effectively detect edges of frameless windows. It only takes about 110 seconds for WINBOT 9 to finish cleaning a surface of 100 × 60 cm. The remote control enables the user to individually influence the cleaning process. The device has a weight of 2 kg and it can also be used by people with physical limitations.