Series 3+
Series 3+
The world's most advanced GPS collar — built with AI to track your dog's health.
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Series 3+
AI Behavior monitoring
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Eating
Stay tuned to shifts in appetite, and keep track of when they're being fed.
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Drinking
Know when it's time for a water break, even before they start panting.
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Barking
Get notified of unusually vocal or quiet days to address any stressors.
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Scratching
Keep tabs on your dog's skin health to spot signs of irritation early on.
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Licking
Track excessive licking to tackle sources of discomfort.
Key Features
Live GPS Tracking
Real-time, nationwide GPS with instant escape alerts.
Health & Behavior Insights
Tracks activity, sleep, and daily habits automatically.
Smart App Control
View location, stats, and share access in one app.
Apple Watch Ready
Check location and alerts right from your wrist.
Rugged & Waterproof
Built tough for rain, mud, and everyday adventures.
Specifications
Fully waterproof
IP68/66K tested in salt water up to 50 meters
500lbs+ resistance
Handles the worst chewers and pullers.
Wireless charging
Extend wifi connection and charge anywhere
Custom light
Keep your dog visible, even in the dark
Extended battery life
Up to 3 months on one charge
AT&T
AT&T LTE-M cellular network
All features
GPS / LTE-M Live Tracking
Activity & Sleep Analysis
Geofence & Escape Alerts
Eating & Drinking Detection
Walks & Car rides
Scratching & Licking Monitoring
Health AI Agent
Smart Vet records
Barking Alerts
Night light
Unlimited users
FAQ
Does the Fi Smart Collar use GPS or Bluetooth?
Does the Fi Smart Collar use GPS or Bluetooth?
The Fi collar uses GPS combined with LTE-M cellular technology, not just Bluetooth. This allows real-time tracking anywhere nationwide.
How accurate is the GPS tracking?
How accurate is the GPS tracking?
Fi provides highly accurate location tracking, typically within a few feet in open outdoor areas.
How long does the battery last?
How long does the battery last?
The battery lasts up to 3 months on a single charge, depending on usage and signal strength.
Is the collar waterproof?
Is the collar waterproof?
Yes. The Fi Series 3+ is fully waterproof and designed to handle rain, swimming, and mud.
What dog sizes is this collar suitable for?
What dog sizes is this collar suitable for?
The collar is available in multiple sizes. XL fits neck sizes approximately 20”–31”, ideal for large breeds.
Can I track my dog in real time if they escape?
Can I track my dog in real time if they escape?
Yes. Once your dog leaves a Safe Zone, Lost Dog Mode activates and updates location every few seconds.
Does the collar track health or behavior?
Does the collar track health or behavior?
Yes. The collar tracks daily activity, sleep patterns, and behaviors such as walking and resting to help you monitor wellness.
Can multiple people access the same collar?
Can multiple people access the same collar?
Yes. You can share access with family members or dog walkers through the Fi app.
Does the collar work with an Apple Watch?
Does the collar work with an Apple Watch?
Yes. Fi offers Apple Watch integration, allowing you to check your dog’s location and activity on your wrist.
Is the collar comfortable for dogs to wear all day?
Is the collar comfortable for dogs to wear all day?
Absolutely. The collar is lightweight, smooth, and designed for all-day comfort.