6 1/8" x 4 5/8" x 1 3/16"
The .1" header pins and the competition port stick out another 1/8" each
The competition port enable/disable switch they send us sticks out 2 1/8" in all from the case.
screw heads on the sides take 1/16" each
There's a photo here somewhere...let me look...
I'm told we'll probably want to mount it with velcro.