The Roomba 530 features our newest innovations in vacuum performance, room navigation, edge and corner cleaning, advanced anti-tangle technology and transitioning from carpets to hard floors. Standard Features:Efficiently vacuums dirt, debris, pet hair, dust, allergens and more from carpets and hard floorsCounter rotating Bristle Brush and Beater Brush work together like a dustpan and broomSturdy Bristle Brush digs deep into carpet fibers to grab dirt, debris, pet hair and morePowerful vacuum sucks large and small debris into the large, bag-less binFine filter traps dust, pollen and tiny particulate inside the binCleans the whole floor, under and around furniture, into corners and along wall edgesDetects dirtier areas and spends more time cleaning themSpot Clean provides quick clean-up of spills and concentrated messesAutomatically senses and avoids stairs and other drop-offsSimple operation-just press the Clean button and Roomba does the restAdvanced Features:Automatically returns to its self-charging Home BaseR to dock and recharge between cleaningsImproved Virtual Wall tells Roomba where to clean by restricting off-limit areas now with longer battery life and streamlined designFaster counter-rotating brushes with improved design pick up more hair and debris and are easier to remove and cleanImproved filter captures more dust and allergens while a larger bin holds more debrisImproved anti-tangle technology keeps Roomba from getting stuck on cords, carpet fringe and tasselsImproved sidebrush makes Roomba even more efficient at cleaning edges and cornersWhat's in the Box:1 iRobot Roomba 5301 Virtual Wall (Requires 2 D batteries each, not included) 1 Self-charging Home Base1 Power Supply (3 hour charge time) 1 Brush Cleaning Tool1 Rechargeable Battery1 Extra Filter90 day Manufacturer's Warranty