The Ecovacs Winbot W3 Omni is a robotic window cleaner that has been released by Ecovacs. Reviews of the product have been mixed, with some outlets considering it a game-changer and others noting that window cleaning robots still have limitations. The device features a unique design, including a mini washing machine for its mop pads, and its price has been lowered to a record low, potentially making it a more affordable option for consumers.