reliable and very effective device goes almost everywhere (where his size and his hightwise permitting). He's really smart and learns progressively to optimize its passages. Attention to pet owners, our cat has already managed to block the remaining frozen in a corridor because it is afraid and the robot was blocked by furniture. A by that, no complaints, single storey 110m², it must recharge during work to do everything, charging is a bit long, but by launching during an absence (shopping, work ...) it does sees no recess. I recommend.
