New Fi Series 3+ Smart Dog Collar – GPS Dog Tracker and Activity & New Fitness Monitor, Waterproof, LED Light, Escape Alerts, Nationwide Coverage [Free 6 Month Membership] (Blue, Large)

Fi Series 3+ is the connected collar that provides continuous GPS tracking of your dog’s location (with no maximum range, unlike AirTags and Bluetooth). It delivers live, 24/7 coverage, instant Escape Alerts, and a dedicated Lost Dog Mode for reliable safety. Beyond location, Fi tracks steps, activity, and sleep, using machine learning to translate raw data into meaningful health insights. The device is built into a stainless-steel frame with IP68 and IP66K water resistance, an integrated LED light, and a battery life of up to three months per charge. Owners can also share access with family or caretakers for real-time monitoring. Fi Series 3+ combines durable hardware with intelligent tracking to keep dogs safe and give owners essential visibility.
Package Dimensions ‏ : ‎ 9.13 x 6.69 x 2.05 inches; 2.72 ounces
Item model number ‏ : ‎ FC3B
Batteries ‏ : ‎ 1 Nonstandard Battery batteries required. (included)
Date First Available ‏ : ‎ July 14, 2025
Manufacturer ‏ : ‎ Fi
ASIN ‏ : ‎ B0FHHXY7T3
Best Sellers Rank: #9,314 in Pet Supplies (See Top 100 in Pet Supplies) #6 in Pet Location Trackers
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NEXT-GEN GPS TRACKING FOR DOGS: Fi Collar Series 3+ is our fastest, most reliable smart collar yet—featuring 2x improved GPS performance to locate your dog in real time, nationwide, with no range limits. Designed with upgraded antennae to keep you connected when it matters most.
ESCAPE ALERTS + LOST DOG MODE: Custom virtual fences alert you the instant your dog leaves a safe zone. If they’re on the move, Lost Dog Mode activates live tracking with rapid location updates so you can act fast. A pet GPS tracker for dogs that you can count on.
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.It’s more than a dog pedometer.
APPLE WATCH INTEGRATION + AI COMPANION: View live location, activity, and Lost Dog Mode from your Apple Watch. Plus, ask the built-in AI Companion anything—from behavior questions to care tips. This Apple iPhone pet tracker for dogs even delivers personalized reminders for vet visits, vaccines, and more.
SMART VET RECORDS: Never lose track of your dog’s medical history again. Upload their health documents and let Fi’s GPS dog tag organize, summarize, and store them—all in one place.