Shadowpuck is right, the measurements are out there...
This is the visible screen area - useful to determine how big your openeing might need to be:
http://www.mp3car.com/vbulletin/show...c+measurements
For the external measurements, did you even check Xenarc itself?
http://www.xenarc.com/product/700ts.html
Don't mind helping out but dang this gets asked a lot...
At least you weren't asking about the lilliput. I think that one bugs me the most, since there is a big sticky at the top of the forum titled "everything about your lilliput".