* The Kärcher floor cleaner achieves up to 20% better cleaning performance than a traditional mop with floor cloth cover in the "Wiping" test category. Refers to average test results for cleaning efficiency, dirt pick-up and edge cleaning. ** The FC 7 Cordless allows you to achieve a time saving of up to 50% since common household dirt can be removed from hard floors in a single step, doing away with the need to vacuum before wiping.