I don’t have a lot of details yet, but I think it’s a Lexel driver and I think it has front-facing aux LEDs of some sort. Lexel said something about making a PL47 aux LED board, which has fancy stuff on it. Looks like it has multiple colors and some sort of chip to possibly control it, but the only connection to the main driver is a + and - pad so I don’t think the main driver can control the colors.
I think maybe the button lights up too, but I’m not sure.
The only host pic I’ve seen is the one a few posts up in this thread. As far as I can tell, that is a render of the PL47.
For the most part, I’m just making guesses based on what little information I’ve been able to find.