Irobot Roomba 870 Vacuum Cleaning Robot for Pets and Allergies+ 3 Side Brushes (These Items Are Used Together) AeroForce Performance Cleaning System delivers maximum cleaning performance by combining the power of new AeroForce Extractors with airflow acceleration and a high-efficiency vacuum. The new Tangle-Free AeroForce Extractors are virtually maintenance free iAdapt Responsive Navigation Technology: Our unique system enables Roomba to find its way around any shape or size of home, covering every area of floor multiple times for a complete clean. iRobot XLife Battery delivers twice as many cleaning cycles as previous Roomba batteries, doubling the time before you may need to replace your Roomba battery. Scheduling enables you to preset Roomba to clean when it is most convenient for you, up to seven times a week. 1 iRobot Roomba 870, 1 iRobot XLife Extended Life Battery, 2 Virtual Walls (batteries included), 1 Integrated Home Base, 1 Extra HEPA Filter and 3 side brush