CLEANS WHEN & WHERE YOU WANT– Only iRobot brings you Imprint Smart Mapping allowing you to control & schedule which rooms are cleaned and when, while storing multiple maps for easier cleaning on each level of your home; Plus customizable Keep Out Zones and Clean Zones allow you to tell them the exact area to avoid and clean DOESN'T GET HUNG UP; JUST GETS IT DONE; - A full suite of advanced sensors allow this robot to navigate under and around furniture, and along edges, while Cliff Detect keeps it from falling down the stairs SET TO AUTOMATICALLY CLEAN WHEN YOU'RE AWAY - Now with iRobot Genius, you can choose to set your robot to automatically start cleaning when you leave and stop when you come home, so you only notice the clean and never the cleaning Only iRobot brings you Imprint Smart Mapping allowing you to control and schedule which rooms are cleaned and when, while storing multiple maps for easier cleaning on each level of your home; Plus customizable Keep Out Zones and Clean Zones allow you to tell them the exact area to avoid and clean