Had the predecessor who broke after 6 months. Was reclaimed and because no stock was replaced by this 'newer' model. For vacuuming smooth floors totally unsuitable because the nozzle, no matter how you adjust, scrubs the floor and scratched. Have found that a piece of plastic too far protrude from the nozzle at the exact spot where the nozzle touches the bottom. When carpet is the not a problem, but on tile or laminate you feel loose plastic scrub across the ground. Moreover einhoher Kraftaufwandbenötigt the roles will not touch the ground as practical. Who should be something designed reconsider his profession.