TLILY 3 pcs Dual Mode Virtual Navigation Wall Barrier for 600/700/800/900/E/I/S Series Robots Parts

Model Number:virtual navigation wall barrier Type:Vacuum Cleaner Parts uses infrared beam to block from doorways and other off-limit areas Power Suplly:Requires 2 AAA Batteries(not include) Quantity:3pcs Colour:As Shown Material:plastic Size:4.3x4.3x10.5cm Package Contents: 3 * 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.