iROBOT ROOMBA DISCOVERY MODEL 4211 W/HOME BASE & CHARGER -PARTS ONLY | eBay
My trusty 2006 Roomba Discovery, still regularly cleaning my workshop. I've repaired him several times over the years, and have just replaced some MOSFETs and transistors, but he's still reliable and hard
Photos of Roomba Discovery™: with and without custom-made covers | Download Scientific Diagram