tineco floor one s3 cordless hardwood floors cleaner, lightweight wet dry vacuum cleaners for multi-surface cleaning with smart control system tineco featuring with iloop smart sensor technology, floor one s3 smart wet dry vacuum cleaner intelligently detects the messes on the floor, automatically adjusts the suction power and control water amount in real time. <br> colored ring provide cleaning results feedbacks. blue color means clean, red means dirty. you can rely on the unit to tell what the real clean is. <br>cordless, portable design, easy to maneuver, even up and down stairts. <br>app and voice supports improve the cleaning experience. you know the everything about the machine, status and cleaning results.