As far as I know, head units are all standard size. That 6.2 vs 7 is the screen size. One screen is bigger than the other. This is because one might have actual buttons and knobs vs all touch screen. For the rear view option, most modern head units have that feature built in. You just have to buy the camera kit and wire to connect to the back of the unit. Another thing you might want to think about it Bluetooth and USB capabilities to play music from.
YzGyz
Last edited by YzGyz; 09-02-2015 at 12:31 AM.
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