iRobot Roomba 870 Robotic Vacuum Cleaner iAdapt Navigation uses a full suite of sensors to navigate and adapt to your changing home AeroForce 3-Stage Cleaning System delivers up to 50% more cleaning performance Tangle-free extractors help prevent hair and debris clogs AeroForce High-Efficiency Filter traps fine dirt and dust Conveniently schedule up to 7x per week, or just press CLEAN on the robot