All i, e, s, 500, 600, 700, 800, 900 Series Robots and 400 Series Robots. Compare to part #4636429. Help you better control the cleaning area of the robot vacuum cleaner. Easily place this Virtual Navigation Wall and toggle the mode button to keep the robot away from items you want to protect, such as pet food and water bowls, toys in children's play areas, stairwell or doorway, and more. " Mode" can form a "barrier area" with a radius of 2 meters around the Virtual Navigation Wall. "Beam Mode" can launch a "barrier wall" about 3 meters long. Colour:black Material:plastic Size: 45 x 116mm Package Contents: 1 x Virtual Navigation Wall barrier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.