We have for sale: Original iRobot Roomba j6 + J7 Main PCB Circuit Board Motherboard, this board came out from a roomba that said J6+ inside the menu app, and J7 on the serial number, and it was tested and Unregistered from the account, has product software 23.12.4. Condition of the item. Good condition, Please look at the photos for condition. Function status of the Item. Works good, PLEASE LOOK AT THE PHOTOS, MAKE SURE THIS IS THE CORRECT BOARD FOR YOUR ROOMBA. Motherboard (INCLUDES ONLY WHAT YOU SEE ON THE PICTURES), item comes with a gospel tract as a gift.