The Ecovacs W2 PRO is an intelligent window cleaning robot with an advanced automatic spraying function, an innovative straight and even climbing system and WIN-SLAM 4.0 technology for effortless window cleaning. Thanks to plug-in operation for long-lasting performance on large glass surfaces - it is ready for any challenge. Thanks to the intelligent WIN-SLAM 4.0 path system, cleaning performance is improved by 30%. The Winbot W2 PRO automatically recognises window frames and edges and adapts to any surface, whether floor-to-ceiling or frameless windows.