The Auto Virtual Wall uses an infrared beam, preset for 4 to 7 feet, to block Roomba or Scooba 450 from doorways and other off-limit areas. And you never have to remember to turn it on or off! Auto Virtual Walls remain on for up to six months. Requires 2 C batteries, not included.

Specifications Package Dimensions: 4.4 x 3.86 x 1.97 inches Package Weight: 0.29 pounds What's In The Box:

• 1 Auto Virtual Wall