The Virtual Halo is a perfect help for homes with pets. Here, a sleeve slides over the Virtual Wall to create a halo-shaped protective zone around pet bowls or other items on the floor that you want Roomba, Create 2 or Scooba 450 to go around while cleaning. The protective zone is approximately 20 inches in diameter. Requires 2 C batteries, not included. Compatible with all Roomba 500, 600, 700 and 800 Series models, Create 2 and Scooba 450.|What's In The Box:1 Virtual Halo1 Auto Virtual WallThe iRobot limited warranty shall not apply to failures or problems which are caused by products or equipment not authorized by iRobot Corporation.Country of Origin:China