Virtual Navigation Wall Barrier for Irobot Roomba 600/700/800/900/e/i

2 Pack replacement Dual Mode Virtual Navigation Wall Barrier for Roomba 600/700/800/900/e/i/s Series Robotsuses infrared beam to block Roomba from doorways and other off-limit areasRequires 2 AAA Batteries(not include)Colour: blackMaterial: plasticSize: 4.3 x 4.3 x 10.5cmPackage Contents:2 x virtual navigation wall barrierOnly the above package content, other products are not included.Note: Light shooting 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.