The value offered by today's vacuum cleaners is second to none. A month, a day, and once every other day are how often I use them. The battery floor is 40 square meters in size and does a decent job of collecting trash on a daily basis. Numerous options exist, including the use of virtual walls and the designation of both general and specific rooms for cleaning. At present, the software is not ideal, firmware updates are scarce, and there may be none in the future. It may not accurately determine where it is after being turned off (I turn it off to clean it from debris) and then turned on again; it may unfold the card and insert itself in a different place in it; and it may clean up quite clumsily. Sometimes, for reasons that aren't always obvious, cleaning a single room necessitates redoing the entire floor plan. A damp towel can be used for wet cleaning, which is sufficient for reviving a floor but not much else (used 1-2 times). For 15 grand, it was a steal of a robot.