Automatic dirt disposal base for Roomba. Does not include power cable or dirt disposal bags. Does not include Roomba vacuum. Compatible with Roomba i series vacuums. Automatically empty the tray of your Roomba® robot; you do not have to think about vacuuming for months. Uses closed Dirt Disposal bags that can be easily discarded without a cloud of dust. Each bag holds 60 days of dirt, dust and hair. Clean Base® Automatic Dirt Disposal: 12.2” W x 15.1” D x 19” H