![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 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](https://i.redd.it/x64xfy9wapk81.jpg)
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
![Unused iRobot Roomba 81003 Lighthouse / Virtual Wall, TV & Home Appliances, Vacuum Cleaner & Housekeeping on Carousell Unused iRobot Roomba 81003 Lighthouse / Virtual Wall, TV & Home Appliances, Vacuum Cleaner & Housekeeping on Carousell](https://media.karousell.com/media/photos/products/2021/4/27/unused_irobot_roomba_81003_lig_1619527092_debbf676_progressive.jpg)
Unused iRobot Roomba 81003 Lighthouse / Virtual Wall, TV & Home Appliances, Vacuum Cleaner & Housekeeping on Carousell
![iRobot Roomba Virtual Wall Genuine Replacement Sensor Model 810-Lighthouse B31 | eBay in 2022 | Irobot roomba, Roomba, Irobot iRobot Roomba Virtual Wall Genuine Replacement Sensor Model 810-Lighthouse B31 | eBay in 2022 | Irobot roomba, Roomba, Irobot](https://i.pinimg.com/originals/ca/ca/e9/cacae9eaf4608f6402a0bb775be6b06a.jpg)
iRobot Roomba Virtual Wall Genuine Replacement Sensor Model 810-Lighthouse B31 | eBay in 2022 | Irobot roomba, Roomba, Irobot
![Irobot Roomba Virtual Wall Lighthouse, TV & Home Appliances, Vacuum Cleaner & Housekeeping on Carousell Irobot Roomba Virtual Wall Lighthouse, TV & Home Appliances, Vacuum Cleaner & Housekeeping on Carousell](https://media.karousell.com/media/photos/products/2017/03/20/irobot_roomba_virtual_wall_lighthouse_1489972565_ac1f6530.jpg)