TrailKeeper turned our escape artist into a yard dog. She used to bolt for the street the second the door opened - now I barely think about it, and that peace of mind is everything.

Maria S.Verified Buyer

Rated 4.9 Outstanding - Trusted By 8,500+

TrailKeeper^™Wireless Dog Fence

Name: TrailKeeper
Brand: Millbrook
SKU: TL01498179
Price: 139.99 USD
Availability: InStock

$139.99

$279.99

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Keeps your dog contained even if power fails
Corrects gently so training actually sticks
Sets up safe boundaries wherever you travel
Saves battery automatically when not active

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TrailKeeper turned our escape artist into a yard dog. She used to bolt for the street the second the door opened - now I barely think about it, and that peace of mind is everything.

Maria S.Verified Buyer

Plug in the transmitter and set your boundary distance.
Fasten the lightweight receiver collar comfortably around your dog's neck.
Start training at the gentlest correction level so your dog learns the new boundary.
Once your dog responds consistently, let them roam freely within their limits.

Transmitter Unit
Neck Receiver Collar
Test Light Tool
Mounting Screws
Charger
USB Cable
Instructions Manual

We offer free shipping on orders over $150. Once your order is dispatched, the estimated delivery time is 7 to 21 business days depending on your location — tracking is emailed as soon as it ships.

Changed your mind? You can return your product within 90 days of delivery for a refund — see our Returns page for the full policy.

Official Authorized Retailer

This product is not available on Amazon or eBay. You are purchasing directly from Millbrook, the only authorized seller — which means full warranty, verified authenticity, and dedicated customer support. Beware of counterfeit listings on third-party marketplaces.

Everything You Need for Worry-Free Boundaries

Boundary Sized to Your Yard

The boundary distance adjusts right from the transmitter, so it's easy to size down for a small yard or extend out for more room to roam.

Ready to Use in Minutes

The plug-and-play design gets your fence running without tools or technical skills. Start training your dog the same day it arrives.

Personalized Training Levels

Three intensity settings let you match correction strength to your dog's size and temperament. Training stays effective, humane, and stress-free.

Built for Every Season

Weatherproof housing shrugs off rain, heat, and rough outdoor play. Your boundary keeps working no matter the forecast.

What our 8,500+ Customers say

Based On Real and Honest Experiences

I got burned by a cheap system before, so I wasn't expecting much. TrailKeeper held its boundary steady around our place - trees, detached garage, all of it - with none of the random beeping our old one gave us for no reason.

Elena K.· Verified Buyer

As a professional trainer, I've run a lot of containment systems, and TrailKeeper's adjustable correction levels are the easiest I've found to dial in per dog. Starting low and stepping up only when needed makes nervous or stubborn dogs easier to coach.

Marcus T.· Verified Buyer

TrailKeeper turned our escape artist into a yard dog. She used to bolt for the street the second the door opened - now I barely think about it, and that peace of mind is everything.

Maria S.· Verified Buyer

Frequently Asked Questions

+156 expertsreviewed it

Yes! You can pair multiple receiver collars with a single transmitter, so all your dogs share the same safe boundary without needing separate systems.

Most dogs typically learn a wireless boundary within about two weeks of short daily sessions. Start at the gentlest correction level and let your dog's confidence build from there.

Definitely. Its compact, portable design means you can set up a safe boundary at a rental house, campsite, or relative's yard in minutes.

TrailKeeper's boundary distance is fully adjustable from the transmitter, so you can dial it in for a small city lot or extend it for a larger property. It's sized to fit your yard, not tied to one fixed shape.

Yes. TrailKeeper's three correction levels let you start low and step up only if needed, so even strong-willed dogs learn to respect the boundary instead of tuning it out.

The transmitter keeps running on backup power for up to ten hours during an outage, so your boundary doesn't just vanish. Charge the collar fully between uses to avoid gaps in coverage.

Unlike buried wire, there's no digging or professional install. And unlike subscription-based GPS collars, TrailKeeper is a one-time purchase with no monthly fees to keep it working.

Yes. The lightweight collar and its gentlest correction level work well for small breeds, and many owners start puppies there before moving up if needed.

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4.9/5 by 8,500+ customers90-Day Satisfaction

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4.9/5 by 8,500+ customers

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4.9/5 by 8,500+ customers

TrailKeeper^™Wireless Dog Fence