The Dogtra Pathfinder brings GPS and e-collar technology right to your Smartphone, giving you a more intelligent and responsive way to track and train your dogs. The Pathfinder truly works without using cellular data. Just download the free maps and operate your Smartphone in offline map mode. Unlike other GPS e-collars, there are no extra navigation packages to purchase. You can control up to 21 dogs at the same time with this amazing product.
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