New Fi Series 3+ Smart Dog Tracker Collar [6 Month Membership Included] GPS Tracker for Dogs with Health & Behavior Monitoring, Escape Alerts, Waterproof, LED, Apple Watch Compatible (Pink, Medium)

Price: $119.00 - $99.00
(as of Feb 15, 2026 09:35:35 UTC – Details)

Product description

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Fi Series 3+ Merchant Video

Fi GPS Trackers

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Customer Reviews

4.1 out of 5 stars 1,172

4.0 out of 5 stars 77

3.3 out of 5 stars 11

4.1 out of 5 stars 1,172

4.1 out of 5 stars 1,172

4.1 out of 5 stars 1,172

Price

$189.00$189.00

$189.00$189.00

$189.00$189.00

$189.00$189.00

$189.00$189.00

$189.00$189.00

Location

GPS & LTE tracking

GPS & LTE tracking

GPS & LTE tracking

GPS & LTE tracking

GPS & LTE tracking

GPS & LTE tracking

Battery life

Up to 3 months battery life

Up to 6 weeks battery life

Up to 6 weeks battery life

Up to 3 months battery life

Up to 3 months battery life

Up to 3 months battery life

Charging

Wireless charging base

Easy USB-C charging

Easy USB-C charging

Wireless charging base

Wireless charging base

Wireless charging base

Hardware

Customizable night light

0.56 oz

0.56 oz

Customizable night light

Customizable night light

Customizable night light

Waterproof

Waterproof (IP68/66K)

Waterproof (IP68)

Waterproof (IP68)

Waterproof (IP68/66K)

Waterproof (IP68/66K)

Waterproof (IP68/66K)

Product dimension

50.5 x 30.5x 11.5mm (L xWx D)

42 x 30 x 12.5mm (L x W x D)

42 x 30 x 12.5mm (L x W x D)

50.5 x 30.5x 11.5mm (L xWx D)

50.5 x 30.5x 11.5mm (L xWx D)

50.5 x 30.5x 11.5mm (L xWx D)

Health

AI-analyzed behavior tracking

AI-analyzed behavior tracking

Coming soon to Fi Mini Cats

AI-analyzed behavior tracking

AI-analyzed behavior tracking

AI-analyzed behavior tracking

Collar fits on

Only Fi-affiliated Maker Bands

Most Collars and Harnesses

Most Collars and Harnesses

Only Fi-affiliated Maker Bands

Only Fi-affiliated Maker Bands

Only Fi-affiliated Maker Bands

Apple Watch

Location updates on your wrist

Coming soon to Fi Mini Dogs

Coming soon to Fi Mini Cats

Location updates on your wrist

Location updates on your wrist

Location updates on your wrist

Made for

Designed for all dogs who roam

Ideal for puppies & small dogs

Ideal for cats

Designed for all dogs who roam

Designed for all dogs who roam

Designed for all dogs who roam

NEXT-GEN GPS DOG TRACKER: The Fi Series 3+ collar is our most accurate and reliable smart collar—featuring 2x improved GPS performance from past devices to track your dog’s real-time location, nationwide, with no range limits using the Fi app. It’s the perfect Christmas dog collar for dog moms and dog dads.
ESCAPE ALERTS: Custom virtual fences use the Fi app to alert you the instant your dog leaves a safe zone. If your dog escapes, get real-time notifications from your GPS dog tracker every few seconds as your dog roams.
AI-POWERED HEALTH + BEHAVIOR TRACKING: The first smart dog tracking collar to detect activity, rest, barking, licking, scratching, eating, and drinking—giving you a complete picture of your dog’s well-being. Review all your dog’s health and behavior data right in the Fi app.
APPLE WATCH INTEGRATION + ANDROID & IPHONE COMPATIBLE: View live location, activity, and Lost Mode from your Apple Watch. Plus, ask the built-in AI Companion anything—from behavior questions to care tips from your smartphone. This dog tracker delivers personalized reminders for vet visits, vaccines, and more through the Fi app.
SMART VET RECORDS: Never lose track of your dog’s medical history. Add vet receipts, pet insurance, vaccine records, training certificates, and other important health documents in the Fi app to help organize, summarize, and store the documents—all in one place.