Innovated water tank brings an auto damp moping spa for hard floor only (wood tile marbel laminate) New powerful motor with max mode and pet hair technology picks up furs,debris,dust and dirty easily and efficiently Small slim light design and smart sensors ensure ILIFE V5s goes easily under the sofas,beds,kickstands,around the furnitures,crossing the chair legs Automatically docks and recharge;programable scheduling,less working noise