iRobot Authentic Replacement Parts- Dual Mode Virtual Wall Barrier Compatible with Roomba 600/700/800/900 Series,Black - 4636429
- 1-pack Dual Mode Virtual Wall Barrier gives you greater control over where your robot cleans.
- Virtual Wall mode keeps your robot in the rooms you want cleaned and out of the ones you don't.
- Halo mode keeps your robot away from items you want to protect, like your pet's food and water bowls.
- Compatible with all Roomba 500, 600, 700, 800 and 900 Series Robots and Scooba 400 Series Robots.