POWERFUL CLEANING?SCHEDULED AROUND YOUR LIFE - Roomba i3plus EVO takes care of dirt and messes with a Premium 3-Stage Cleaning System and 10x the Power-Lifting Suction. Compared to Roomba 600 series.Runtime : 75 minutes. CLEAN BY ROOM, YOU?RE IN CONTROL - Roomba i3plus EVO learns your home and creates an Imprint Smart Map so you can direct it to clean any room you want, any time you want?either on a set schedule or in the moment. DON?T LIFT A FINGER FOR MONTHS- The Clean Base Automatic Dirt Disposal allows the i3plus EVO to empty itself into an enclosed bag that captures 99% of particles as small as .7 microns and holds up to 60 days of cleanings. The Roomba i3plus is designed to work simply with the press of the Clean button.