iRobot Virtual Wall Lighthouse, Roomba - Black | 81002 Buy, Best Price. Global Shipping.
2) iRobot Roomba Lighthouse Virtual Wall 4000 series 4150 Adjustable Range - Robotic Vacuum Cleaners - Little Rock, Arkansas | Facebook Marketplace | Facebook
Got this roomba as a gift. Also received these lighthouses from another friend… are they compatible??? How do I get them to work? When I put batteries in lighthouse the led flashes