Check it out! Stopped by National Indoor RV Centers in Phoenix for service and they have a new batch of 2020 Arias. Decided to check them out while I was there. The new 2020 Thor Aria 3901 has the wireless Firefly Integrations panels like the earlier coaches...but they are
LED back-lit panels!! 
Contacting Firefly Integrations to see if they can be retrofitted into older coaches like my 2017!
Video of them functioning:
https://www.dropbox.com/s/jp08ax3lda...39.40.mov?dl=0
Thor Forums
