If someone doubts, do not be afraid, this device will make your life easier. It will also teach you not to scatter objects on the floor: before leaving home, I check that nothing interferes with the robot. So new, healthy habits. I have not tried wet cleaning yet, but you should not count on it seriously: a rag and a barrel of water are small. And check the places where he can get stuck: for example, we have a hanging toilet, as a result, the guy got scars on his body.))