Evidently it is ultrasonically-welded, sealed unit. In other words, you can remove it from the bike, but opening the housing requires physically cutting the perimeter weld (Dremel) and then re-sealing; it isn’t designed to be serviceable.
Yes. I was on my phone so I couldn't give you a clickable link. But they are very good, and its worth asking them about it before spending $1500. Carmo Electronics - Motorbike Electronics