A plethora of drawbars..
A lot of great Organ sounds
A typical very light organ keybed
the basspedals..




If you want to play great Organ, get one of these
OR its Brother the GSI DMC-122 with build in Gemini bord.
(which is essentially the same keys, but offers much more sounds
Add a Ketron MidJpro.
And go all in Italian..

and its quite cheap compared to Wersi OaX..
You could even add more VST's for organ sounds..