QUICK SUMMARY ECOVACS has launched the WINBOT W2S Pro OMNI, its latest and smartest robot window cleaner. ECOVACS has expanded its robot window cleaning range with the new WINBOT W2S Pro OMNI. This combination allows the window cleaner to get close to the edges and frames, while maintaining contact with the window surface. With the ECOVACS app, you can use the ECOVACS WINBOT W2S Pro OMNI via your phone or voice controls. The only slight drawback is the price which is a lot more expensive than manual window cleaning.