Description
- THE WORLD’S MOST ADVANCED DOG COLLAR — Track your dog’s live location, activity, and sleep with your Series 3 device, collar, and Fi Membership.
- LIVE, ALWAYS-ON GPS TRACKING — Precision GPS tracking, works nationwide with no maximum range (unlike AirTags, which have a 200ft radius) and 24/7 service.
- ESCAPE ALERTS — Lost Dog Mode is triggered when your dog leaves a certain area, so you always know where they are and save valuable time if they get out.
- HEALTH + ACTIVITY INSIGHTS — Your dog's valuable health data, in your hands, Fi tracks and puts activity, sleep, and behavior into a context you can understand. App available on iOS and Android.
- DURABLE, DOG-FORWARD DESIGN — Sleek, stainless steel profile, 400-lb tug resistance, and IP68 and IP66K waterproof. It’s also easy to remove your tracking device from the collar to swap bands.
- UNBEATABLE BATTERY — Fi delivers up to 3-months of battery life on a single charge with included wireless charging base.
- 6 MONTH MEMBERSHIP INCLUDED — Your purchase includes 6 months of Fi Membership, which comes with the collar band (and size) of your choice, and 7 days a week customer service via chat or phone. Your membership will be automatically activated when you turn on and set up your collar.
![Order Fi Series 3 Smart Dog Collar - GPS Dog Tracker and Activity & Fitness Monitor, Waterproof, LED Light, Escape Alerts, Nationwide Coverage [Free 6 Month Membership] (Gray, Large) Fi Series 3 Smart Dog Collar - GPS Dog Tracker and Activity & Fitness Monitor, Waterproof, LED Light, Escape Alerts, Nationwide Coverage [Free 6 Month Membership] (Gray, Large)](https://shop.sunlifetech.com/wp-content/uploads/2025/03/41DuFnw1f0L._SL500_.jpg)
![Order Fi Series 3 Smart Dog Collar - GPS Dog Tracker and Activity & Fitness Monitor, Waterproof, LED Light, Escape Alerts, Nationwide Coverage [Free 6 Month Membership] (Gray, Large) Fi Series 3 Smart Dog Collar - GPS Dog Tracker and Activity & Fitness Monitor, Waterproof, LED Light, Escape Alerts, Nationwide Coverage [Free 6 Month Membership] (Gray, Large) - Image 2](https://shop.sunlifetech.com/wp-content/uploads/2025/03/51OsWmGTSuL._SL500_.jpg)
![Order Fi Series 3 Smart Dog Collar - GPS Dog Tracker and Activity & Fitness Monitor, Waterproof, LED Light, Escape Alerts, Nationwide Coverage [Free 6 Month Membership] (Gray, Large) Fi Series 3 Smart Dog Collar - GPS Dog Tracker and Activity & Fitness Monitor, Waterproof, LED Light, Escape Alerts, Nationwide Coverage [Free 6 Month Membership] (Gray, Large) - Image 3](https://shop.sunlifetech.com/wp-content/uploads/2025/03/41AKkL5ipVL._SL500_.jpg)
![Order Fi Series 3 Smart Dog Collar - GPS Dog Tracker and Activity & Fitness Monitor, Waterproof, LED Light, Escape Alerts, Nationwide Coverage [Free 6 Month Membership] (Gray, Large) Fi Series 3 Smart Dog Collar - GPS Dog Tracker and Activity & Fitness Monitor, Waterproof, LED Light, Escape Alerts, Nationwide Coverage [Free 6 Month Membership] (Gray, Large) - Image 4](https://shop.sunlifetech.com/wp-content/uploads/2025/03/51LcpeMMOTL._SL500_.jpg)
![Order Fi Series 3 Smart Dog Collar - GPS Dog Tracker and Activity & Fitness Monitor, Waterproof, LED Light, Escape Alerts, Nationwide Coverage [Free 6 Month Membership] (Gray, Large) Fi Series 3 Smart Dog Collar - GPS Dog Tracker and Activity & Fitness Monitor, Waterproof, LED Light, Escape Alerts, Nationwide Coverage [Free 6 Month Membership] (Gray, Large) - Image 5](https://shop.sunlifetech.com/wp-content/uploads/2025/03/51M2LpjP05L._SL500_.jpg)
![Order Fi Series 3 Smart Dog Collar - GPS Dog Tracker and Activity & Fitness Monitor, Waterproof, LED Light, Escape Alerts, Nationwide Coverage [Free 6 Month Membership] (Gray, Large) Fi Series 3 Smart Dog Collar - GPS Dog Tracker and Activity & Fitness Monitor, Waterproof, LED Light, Escape Alerts, Nationwide Coverage [Free 6 Month Membership] (Gray, Large) - Image 6](https://shop.sunlifetech.com/wp-content/uploads/2025/03/41hylaZSJwL._SL500_.jpg)
![Order Fi Series 3 Smart Dog Collar - GPS Dog Tracker and Activity & Fitness Monitor, Waterproof, LED Light, Escape Alerts, Nationwide Coverage [Free 6 Month Membership] (Gray, Large) Fi Series 3 Smart Dog Collar - GPS Dog Tracker and Activity & Fitness Monitor, Waterproof, LED Light, Escape Alerts, Nationwide Coverage [Free 6 Month Membership] (Gray, Large) - Image 7](https://shop.sunlifetech.com/wp-content/uploads/2025/03/517iR4vo6xL._SL500_.jpg)
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