I'm betting on the Sum-Tec/Nomic combo versions in the picture just below that he has been using for a while now. But you never know....he has so many as the 2nd picture shows.
Lots of shots on video here of what I'd guess we'll see at OR.
*Pictures are courtesy of the Google's search engine....with copyrights to the original owners*.
More here from a previous comment.. in 2013. Be fun to see what Petzl decided they could produce.