The collar that never stops tracking your dog

GPS Tracking 

Instantly track your dog’s location no matter where they are in the US.

  • Track your dog 24/7 on the new LTE-M network.
  • Keep an eye on dog walkers and caretakers.
  • Unmatched battery life. Put it on and forget about it.

Stop Escape Artists

Create safe zones and be notified when your dog escapes.

  • Leave your dog in the backyard, and make sure they stay there.
  • Receive escape notifications on your phone.
  • Traveling? Create as many Safe Zones as you need.

Natural Athletes

Keep your dog active and healthy.

  • Hit your dog’s daily, weekly, and monthly step goals.
  • Compare your score with other dogs in your area.
  • See how active they are when you’re not there.


Add as many owners to your Fi account as you need. Or give temporary access to a walker to keep your pup safe and protect your privacy.


The Fi collar is water proof* and can sustain more than 30 minutes complete immersion in river and salt ocean water without damage. Time for a beach trip!

* IP68 rating

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Unmatched Battery Life

Average of 3 months between charges*, 20x more battery life than any other GPS tracking device.

*under typical usage conditions

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Durable Design & 1yr Warranty

Chew-proof, water-proof (even the ocean), and generally dog-proof. If anything does go wrong, we’re an email away.

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Service & Coverage

Fi is the only smart dog collar on the new LTE-M Network, which means you’ll always have the best coverage no matter where you are in the US.

*under typical usage conditions


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