Empties on its own - you don’t have to think about vacuuming for months at a time. Clean Base Automatic Dirt Disposal with AllergenLock bag holds 60 days of dirt, dust and hair. Power-Lifting Suction delivers 10X the air power* for improved pick-up performance. Premium 3-Stage Cleaning System cleans the dirt and pet hair you see and the allergens and dust you don't. *(Compared to Roomba 600 Series) Intelligently maps and remembers multiple floor plans to clean your entire home. Patented iAdapt 3.0 technology with vSLAM navigation actively captures thousands of precise measurements each millisecond to optimize coverage.