iRobot Dual-Mode Virtual Wall Barrier for Select Roomba Vacuums 4636429 - Best Buy
Dual Mode Replacement Virtual Wall Barrier Light House Compatible for iRobot Roomba 800 900 I/S/E Series e5 e6 i3 i4 i6 i7 i8 - AliExpress
Amazon.com - AIR U+ 2 Pack Dual Mode Virtual Wall Barrier Compatible with iRobot Roomba 600/700/800/900/e/i/s Series, Replace Part Number: 4636429
iRobot - Manage where your robot cleans with a Dual Mode Virtual Wall Barrier, which keeps your Roomba in rooms you want cleaned and out of the ones your don't. Find out
Amazon.com - iRobot Authentic Replacement Parts - Dual Virtual Wall Compatible with All Roomba 600 Series, 614, 675, 692, 694, e Series, i1, i1+, i3, i3+, i4, i4+, i5, i5+, i7, i7+, i8+
How To Setup Dual Mode Virtual Wall | Roomba® | iRobot® - YouTube