Award winning floor washing robot removes up to 98% of common household bacteria with a touch of a button. Ideal for washing larger hard floor areas. One tank washes up to 430 sq. ft. before it requires refilling. Simple operation: fill tank, press the Clean button, empty tank when finished. Works on sealed hardwood, tile and linoleum floors. Automatically detects carpet edges and will turn away. Navigates throughout the room using a powerful 4-stage cleaning system: prep, wash, scrub, and squeegee. Autonomous cleaning pattern covers each area of floor multiple times to ensure total floor coverage. Cliff Sensing technology allows Scooba to avoid stairs and ledges. Cleans beneath cabinet ledges, tables, chairs, and other hard to reach places.