I've done some stupid things in my lifetime  but purchasing this vacuum by far just tops em all what a waiste of money I'd give this thing a zero stars if I could but lowest one I gues is one having say that thing never properly worked day one out of a box this little gut just simply have issues and issues on another level continuously bumping into things forgetting maps until a couple of days ago quit working all together and just died I give a credit to samsung for being fair  and there when I called them as at the time of death :) lol vacuum was still in a warranty  waiting to get it back still I hope it comes back a bit better and smarter because out of the box and like that just suck plain and simple