when trying to crawl under the bed, especially the first few times you need to follow him and if you require assistance, can become confused or stuck (I attach a photo of the place where he can get stuck). Purchase advised Positives: There are no blind areas, and it cleans everywhere. Intelligently, after the second time, he constructed a chart of the space that could be separated into rooms and set up to have each room cleaned on a different day. He is aware of the locations he has already deleted. In 2022, there will be a phone-based WiFi interface for control. Cons: Nothing is eliminated within a meter of its base. It will be the sole unclean area. Other than that, no flaws were found.