Best sellerFor dogs
Hachi Dog
$129
Built for every walk, run and adventure.
- Sizes S–XL
- 14-day battery
- IP68 waterproof
- Activity & sleep tracking
GPS + health tracking
SMART GPS & HEALTH TRACKING COLLARS FOR PETS
Every adventure.
Always in sight.
Precise live positioning and daily health insights for dogs and cats — all in one simple app.
Free shipping 30-day returns App included
Made for the way they move
Choose their perfect companion.
Premium hardware, intuitive software. Every collar includes the Hachi app, charger and a 2-year warranty.
Best seller
For cats
Hachi Cat
$109
Featherlight at 18g with a safety breakaway buckle.
- One size, adjustable
- 7-day battery
- Water resistant
- Night roaming alerts
Peace of mind, built inFreedom for them.
Freedom for them.
Clarity for you.
Precise live GPS
Pinpoint their location within meters and follow every turn in real time.
Health patterns
See heart rate, activity, sleep and calorie trends in one clear view.
Safe zones
Get an alert the moment they leave a familiar place.
Adventure proof
Built to keep tracking through rain, puddles and every wild detour.
Mochi
Live adventure
Home safe zone
92
BPM
6.2k
Steps
86%
Battery
One app. Every pet.
Their whole world,
in your hand.
See where they are, how active they have been and how well they slept. Share access with family and set safe zones around home.
iOS & AndroidIncluded with every collar
Good to know
Questions,
answered.
Is the app really included?
Yes. The Hachi app comes with every collar — download it, pair in under a minute and you're set.
How accurate is the GPS?
Hachi combines GPS, Wi‑Fi and Bluetooth for location accuracy within a few meters.
Is it safe for cats?
Hachi Cat weighs just 18g and uses a breakaway buckle that releases if it gets caught.
What if it doesn't fit?
Free exchanges and returns within 30 days.