We've been using it for a month now and we like it. Strong, cleans about as well as a regular vacuum cleaner. All fine dirt, crumbs, hair, dog hair - everything gathers. Also, from carpets as opposed to just a smooth floor. Passing sills, there is no issue. Even thick extension cord wires can jump, so it is best to remove the smaller ones (like those from phone chargers) because they can be tightened and you never know what might happen. When he returns to the base, he knows when to turn on…