Features:

• Vacuuming robot with spinning brushes cleans floors at the touch of a button
• Bagless dustbin; filtration system traps allergens; anti-tangle technology
• Built-in cliff sensors; on-board scheduling; wireless command center
• Self-charging home base; 2 Virtual Walls, brushes, and filters included
• Measures 16-3/4 by 21 by 5 inches; 1-year limited warranty

Rating : - Roomba, excellent!
In several ways a better design than the former models; cleaner, stronger, quieter.

By the way, the package "Roomba 580" at Amazon can be different from the package at iRobot.