Ecovacs Robotics unveiled its Winbot 7 Series robot at CES 2013. The robot is designed to clean both indoor and outdoor windows. It works best on large windows without panes. Winbot stays stuck on your window by suction from its internal vacuum pump. Gizmag reports that Winbot has a battery backup to keep it from plunging from your window if there is a power outage. CNET reports that Winbots will range in price from $299 to $349. Take a look:
