In fact, if you are too lazy to wash windows, plus you don’t like standing at an open window on a chair or window sill and stretching to the far corner, then this robot is for you. Plus washes bathroom tiles and mirrors. If you clean regularly, you can even turn it on every day. Little by little, he will wipe everything off. Pros: You can always look at three things. 1-How the fire burns. 2 how water flows. 3. How someone works. So here too! The main plus is that no water and dirt, sprinkled on the window or napkins with a product and see how others work. In our case, the robot))) Cons: Leaves streaks. But in fact, only with the help of manual labor can you perfectly clean the window. Well, or invent a quantum machine that sends all the dirt into subspace. And stains are visible only at a certain angle, when the sun shines straight through the window. By the way, in the evening it is also noticeable from the light bulb, but after two weeks they are not visible at all, and the window is clean.