Efficiently vacuums dirt, debris, pet hair, dust, allergens and more from carpets, hardwood, tile and linoleum floors. Counter rotating bristle brush(rubber brush) and beater brush(main brush) work together like a dustpan and broom. Fine filter traps dust, pollen and tiny particulate inside the bin. Cleans the whole floor, under and around furniture, into corners and along wall edges. Spot clean provides quick clean-up of spills and concentrated messes. Automatically senses and avoids stairs and other drop-offs. Simple operation just press the clean button and the robot does the rest.