2 AA batteries, 1 Home Base® Charging Station, 1 Roomba® i4 EVO Robot Vacuum, 1 Virtual Wall, 2 Extra High-Efficiency Filter

20% LARGER BATTERY – Larger battery for extended runtime. Compared to other Roomba i series Robot Vacuums CLEANS THE ROOMS YOU WANT WHEN YOU WANT - iRobot OS learns and personalizes your cleaning with Imprint Smart Mapping technology so you can direct it to clean any room you want, any time you want—either on a set schedule or in the moment. SWEEPS UP DUST, DIRT AND DEBRIS WITH EASE - Experience a comprehensive clean with the powerful 3-Stage Cleaning System that pulls in dirt, debris, and pet hair from wherever it hides.