Bought for a one bedroom apartment. Collects garbage everywhere, and in the corridor, and in the bathroom, and in the kitchen, and in the room. Runs fine around corners. In the corridor, the sand also in, then it doesn’t crunch underfoot) It also copes in the kitchen, sometimes there is small garbage there, although my wife often washes. In the room we have a carpet with a short pile, on it the robot turns on increased power and also cleans it well. We are glad that we took this rumba, it savesSee full review