Here is a robot that cleans your window, so you don’t have to. The Alfawise S60 robot can clean framed glass, floors, desks, and everything in between. It comes with microfiber pads to scrub the glass surface. The robot has 3 cleaning modes. It has iOS and Android app support too.
The S60 comes with a 650mAh battery. It performs at speed of 4 square meters per minute.