Search  for anything...
Fi

Fi Series 3 Smart Dog Collar - GPS Dog Tracker and Activity & Fitness Monitor, Waterproof, LED Light, Escape Alerts, Nationwide Coverage [Free 1 Year Membership] (Gray, Small)

  • Based on 701 reviews
Condition: New
Checking for product changes
$189.00 Why this price?

Buy Now, Pay Later


As low as $31.50 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Friday, May 2
Order within 16 hours and 7 minutes
Available payment plans shown during checkout

Size: Small


Color: Gray


Features

  • THE WORLDS MOST ADVANCED DOG COLLAR Track your dogs 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. Its 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.
  • 1 YEAR MEMBERSHIP INCLUDED Your purchase includes a year 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.

Color: Gray


Material: Stainless Steel


Brand: Fi


Closure Type: Buckle


Age Range (Description): Adult


Package Dimensions ‏ : ‎ 9.13 x 6.65 x 2.05 inches; 11.99 ounces


Item model number ‏ : ‎ FC3


Batteries ‏ : ‎ 1 Lithium Polymer batteries required.


Date First Available ‏ : ‎ February 12, 2024


Manufacturer ‏ : ‎ Fi


Country of Origin ‏ : ‎ USA


Best Sellers Rank: #9,644 in Pet Supplies (See Top 100 in Pet Supplies) #6 in Pet Trackers


#6 in Pet Trackers:


Customer Reviews: 4.2 4.2 out of 5 stars 701 ratings


Item Weight: 12 ounces


Manufacturer: Fi


Country of Origin: USA


Item model number: FC3


Batteries: 1 Lithium Polymer batteries required.


Date First Available: February 12, 2024


Item Package Dimensions L x W x H: 9.13 x 6.65 x 2.05 inches


Brand Name: Fi


Target Audience Keyword: pets


Directions: Adults


Warranty Description: 1 Year Warranty


Model Name: Fi Series 3


Color: Gray


Size: Small


Material: Stainless Steel


Age Range Description: Adult


Care Instructions: The product is waterproof and has a removable device for easy cleaning. However, specific care instructions such as washing, drying, or ironing details are not provided.


Included Components: Charging Base


Specific Uses for Product: Behavior


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, May 2

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • We tested the best dog trackers against one another
Size: Large Color: Gray
My husband and I rescued our dog Charlie 4 months ago. He’d been badly treated as a puppy and so sadly was still very anxious and skittish. We have been training him and he’s got better but at the start any sudden sounds or noises would trigger him, and he would immediately try to bolt. We live in the suburbs, but have a good sized property. Our yard is fenced all the way round, and all the dogs we’ve ever had have always loved it as they can roam off leash. That is except for Charlie…..who just tries to escape. A couple of close calls later, we realized that no doors could be left open, and someone would always need to keep an eye on him when he’s outside. I was still so worried that I looked into what we could use to track him so that I could have more peace of mind. We wanted to make sure that we got this decision right. So, we tested 3 of the best ones against each other: Tractive, Whistle, and Fi. I don’t typically leave reviews, but my husband said we should as it may help save another dog one day! We tested them over the course of 2 weeks, and focused on the following areas: 1. Location Tracking Accuracy 2. Escape Alerts (when your dog gets out) 3. Devices (size, weight, and comfort) 4. App (ease of use and other features) 1. Location Tracking Accuracy We really wanted a tracker that we could trust, so this was very important to us. We had to make sure that if Charlie was to get out unexpectedly, we would know exactly where he was to go get him. To test this, we did several walks with each of them where me or my husband would take Charlie on a walk away from the property and I would watch it on my phone to see where they were going. Some of these walks were around our neighborhood, and some were on hiking trails that were a bit more rural. Overall, there was some variation in the tracking, with the biggest difference being that the Fi and the Tractive are the only two that offer live location tracking, Whistle does not. Another thing we did learn about all of them though is that they will only be able to work in real time with cell service. We talked to support about this and it turns out that’s how they send the GPS location back to your phone. We thought this was important, and so focused on testing hikes that had spotty coverage to see which tracker would respond best. Fi was the only one that would give updates throughout the walk, even if they were intermittent. It seems that it repeatedly tries to ping the location back to your phone, whereas the others were only able to send some reports later on once we were fully in a cell service area. 2. Escape Alerts This was a quick one. I had my husband leave with Charlie and without his phone and I timed how long before I got a notification that he had left. We were trying to recreate a potential ‘escape situation’. This was the order we got our notifications: 1. Fi - 1 minute 29 seconds 2. Tractive - 3 minutes 47 seconds 3. Whistle - 4 minutes 13 seconds 3. Devices This is getting very long as I type it so I’m attaching some pictures of them alongside each other instead! The Tractive is the only one that attaches to your own collar and you don’t need to swap your collar out for, but the Fi is by far the smallest and lightest of the group. Whistle’s surprised us as we didn’t expect it to go so far back into the dog’s neck. 4. App We actually hadn’t thought about including this section when we first started testing, but after using them all for a few weeks we wanted to include it as they each have some cool features. All these companies did a good job with set up. They all took under 10 minutes to get up and running and were straightforward processes. Running through each of them in more detail below: Fi - tracks their location, activity, health and sleep. This is the only one to track sleep which was really cool to see. It’s also the only one with a built in LED light which was a great add for our nightime walks. It also had the longest battery life of all of them and was the only one that we didn’t need to charge over the 2 week period. Tractive - tracks their location and activity. Mainly focused on location but has a couple of neat activity features. Battery didn’t last very long. Whistle - tracks their location, activity and health. Definitely the most focused on health, and tracks things like scratching and licking. Didn’t find these that accurate though. Hope this helps some other dog moms. After the testing we decided to keep our Fi and return the others and are still very happy with our decision. ... show more
Reviewed in the United States on May 14, 2024 by Spectaclephoto Spectaclephoto

  • Never lose your dog again!
Size: Medium Color: Gray
I loved this product. I bought two for both of my runaway pups, and I haven’t lost them since I bought them. I have a French bulldog (Size M) and a Shih Tzu (Size S) The app was very simple and fun to set up for both of my dogs. They have their profiles on what they look like, weight, age, etc. The app also monitors their steps throughout the day as well as their sleep/naps. What I was very impressed by was the collar also tracks their walks/drives on where they went and either by foot or car. The collar monitors their strain level (exhaustion) which is very helpful because my Frenchie can run and play all day even if he is exhausted. The durability is very nice, they both went swimming and the collars worked just as great! The battery lasts a long time, at first, we charged it every night but realized that wasn’t necessary, we currently haven’t charged the collars in a week, and you must keep the charger plugged in at all times to keep track of the dogs as a “home base” this is so as soon as the dogs leave our home it immediately alerts our phones to let us know where their current location is until found. The only downside about this collar is getting used to having your Bluetooth on 24/7 and sometimes the charger loses connection. Please get this over an AirTag it is worth the money, and it is safer for you and your pet! ... show more
Reviewed in the United States on June 28, 2024 by Brittany D Brittany D

  • Fantastic Product
Size: Small Color: Gray
We had a scare and lost our dog for 17 hours so upon her return I immediately began researching gps dog collars. Fi not only had great reviews but I thought the features were just what we needed. I can’t recommend this collar enough. The tracking, app info, community and even the light feature are great. Plus the battery life is excellent. It’s not cheap but I would say it’s a great value for money. Our dog is 15 lbs and the small size is a perfect fit. I thought it would be bulky and uncomfortable but our Lucy doesn’t seem to mind it a bit. Great product and I hope I never have to test its ability to locate our dog overnight but if I did, this collar would get the job done. 5 stars. ... show more
Reviewed in the United States on December 24, 2024 by April

  • Keep base close to dog for longer battery life. Inconsistent tracking.
Size: Large Color: Gray
Works very well. Downside: Lost Pet Tracker is slow to connect and spotty. On freezing winter days, it was frustrating walking toward his reported location only to have the location of my dog jump 1/4 mile back in the direction I came from. Sometimes it's really accurate and sometimes it's all over the place. I live in suburban Columbus Ohio so it's not a GPS coverage issue. Tip: The distance between the dog and the base station makes a HUGE difference in battery life. At the start, I had the base station up in my bedroom, and the dog stays downstairs. I had to charge the collar every 3-4 days. I moved the base station into the room where the dog sleeps, and now I only charge it every 2-3 WEEKS. ... show more
Reviewed in the United States on March 17, 2025 by Alice Hohl

  • Would Recommend as someone who’s tried other tracking brands.
Size: Large Color: Gray
I got this from my German Shepherd, who has a tendency escape when I leave. I had previously tried tractive, which let me down a lot. However, I’ve had attractive for about six months now, and I love it. Not only do I feel secure that I can find him if he escapes, but I also get to keep track of his steps and how tired he is, and it’s overall pretty cool to see all of his stats. It lets me know almost immediately when he leaves our safe zone without someone he is trusted with. Which is another thing you can add as many people as you want to be walkers or another guardian of the dog. So I’ll say Zeno has left safe zone with Person a, anyways overall, I would recommend this. It is a bit pricey, but it’s worth it. ... show more
Reviewed in the United States on March 25, 2025 by SMS

Can't find a product?

Find it on Amazon first, then paste the link below.