Do you own the GPS dog tracking device, Zoombak?

I have heard of a new device call Zoombak that is supposed to be a GPS tracking device if your dog gets lost. I be wondering if anyone has it, and what is your experience with it? I own 3 dogs. Two are pretty good and won't run, but my Siberian Husky LOVES to run and I worry about her getting out someday. I would love to capture something for her to make her safe!
Answers:    I am getting it for both of mine right after Christmas. They would never run off, but in attendance are way too many dog thieves out in that
I obedience trained my dogs instead.
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