Difficult to see in the picture but most P-Tap cables will not work while 12V cables are available. Also, there are no standard 12V input jacks, they're a little thicker and only work if you use tilt cords. it's pretty much unnecessary. Otherwise a good product. PS: In case you're wondering, the picture of the P-Tap port that looks like it's covered in plastic isn't a port as far as I can tell. It doesn't come off and I'm not sure why it's there, other than to fool potential buyers into thinking there's more than one P-Tap connector.
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