* Robot Intelligence - Roomba efficiently cleans the whole floor, under and around furniture and along walls. * Self-Adjusting Cleaning Head - Automatically adjusts to clean carpets and hard floors. * Avoid Stairs - Roomba automatically senses and avoids stairs. * Edge Cleaning Capability -Follows walls and reaches deep into corners to remove dust, dirt and debris. * Detects Dirt - Roomba Senses dirtier areas and cleans more thoroughly in those spots. * Anti-Tangle System - Roomba won't get stuck on cords, carpet fringe or tassels. * Simple Operation - Just Press the Clean button, Roomba does the rest.