iRobot 58502 Vacuuming Robot Pet, White/Black The included Virtual Walls confine the robot to specific rooms and areas and Roomba automatically returns to its Home Base to dock and recharge between cycles. All you need to do is press Clean and let the robot do the work. 3-Stage Cleaning with AeroVac  Roomba 585 picks up an amazing amount of dirt, pet hair and other debris with its patented 3-stage cleaning system. A spinning side brush cleans along wall edges, counter-rotating brushes act like a dustpan and broom, and a powerful AeroVac vacuum pulls dirt, hair, and debris off the brushes and into the back of the bin. Dirt Detect  Dirt Detect technology automatically senses dirtier areas and spends more time cleaning them. iAdapt Responsive Cleaning Technology  iAdapt is iRobots advanced system of software and sensors that allows Roomba to SKU 58502