iRobot Roomba 770 Robotic Vacuum Cleaner iAdapt Navigation uses a full suite of sensors to navigate and adapt to your changing home 3-Stage Cleaning System agitates, brushes and suctions floors Dirt Detect Series II identifies dirtier areas and focuses cleaning where it's needed most Conveniently schedule up to 7x per week, or just press CLEAN on the robot Automatically dock and recharges, adjust to all floor types