the water supply is regulated through the application, electronic. He sees all the objects, goes around, marks, does not shift his station, charges. . like everyone else, not very fast, maybe 3 hours. But what's the difference. he does it to himself, never stuck anywhere, including on carpets. There are several power modes, the map remembers, there are virtual borders and restricted areas can be set. The dust collector does not need to be changed directly every day with us, but it depends on the cleaning area and pollution, of course, when it washes the floors, it ignores the carpets, there is such an option