iRobot Roomba 860 Robot Vacuum 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 Conveniently schedule up to 7x per week, or just press CLEAN on the robot Lithium Ion Battery delivers up to 2x the battery cycle lifetime