Nice one, I use it every day. I am happy with the purchase, I expected more problems. Despite daily cleaning, it constantly finds dust. But the dust in the computer has noticeably decreased. It is necessary to close the passage to the rooms in which there are thresholds, because the robot does not see the ledge and falls, cannot climb back and begins to swear. For the first time, I crawled around the apartment for 2 hours with a break to "eat", later I began to run more reasonably, the cleaning time was reduced to an hour and a half, the batteries are just enough. The docking station is a separate vacuum cleaner and is quite noisy, the robot itself is not very noisy, but noticeable. I leave quietly one to crawl around the apartment. He can crawl under the chairs, but as he climbed in, he got out.