car electronics guys...question for ya
 

i'm in the process of doing an installation of a dvd player to my car, among other things. my installer talked about this "box that lets you plug into it the RGB connection that goes to the oem LED screen and then it gives you RCA inputs to plug into the auxiliary connection of the dvd player", basicaly giving me both screens without the need to tear up my dash to put the oem screen there.
do you guys know what the hell that thing is and can you help me find it online? he says it'll be difficult to get it (here at least) but if we can, that's definetively the way i want to do the installation...

any help appreciated greatly!