Robot vacuum cleaner body, with charging dock, equipped with a brush roll cleaning system. - Brand: Roomba - Color: Black - Included items: Charging dock - Features: Robot vacuum cleaner body - Cleaning system: Brush roll Thank you for viewing. There are no operational issues. Cleaning is done by random movement. The brush is broken, and the battery is depleted. This is a defective product, and will be delivered as is, after only a simple wipe-down. Fine dust and debris remain inside, so please purchase only if you are able to perform maintenance yourself.