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Underground Dog Fences Built for Freedom

Boundary Plus® technology creates a custom underground dog fence for your yard, giving your dog more freedom to roam safely.
Two Goldendoodles play in their invisible fence yard with family

Our Underground Dog Fence Gives Your Pet More Room to Roam

Up to 30% more play area over other leading pet fences. The Boundary Plus® system creates an ultra-precise boundary line giving your pet more space and is ideal for unique shaped, complex or small lots. The system also keeps your pet safer, longer with our Power Cap® Batteries that run for up to 3 months. Our complete home system includes Indoor and Outdoor Shields® units to keep pets out of off-limit areas like trash or furniture, while still allowing freedom to roam.

Our system uses patented Correction-Free Return technology. If your pet crosses a boundary, they will not receive a correction when returning home.

Complete Your Underground Fence System

Expand your Boundary Plus® system into a whole-home solution. Customize your pet's boundaries inside and out with these compatible add-ons:

Protect Specific Areas: Use Indoor and Outdoor Shields® units to keep pets away from off-limit spots like furniture, landscaping, or trash bins.

Automate Entry: Install the Doorman™ automatic pet door, which opens only for your pet. It keeps wildlife out and lets you set curfew schedules.

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A home with Invisible Fence® Brand underground dog fence showing the extra space provided by Boundary Plus® technology.

What Sets Our Boundary® Plus Underground Dog Fence Technology Apart From the Others?

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Three Personalized Training Sessions

Included with the purchase of your system and its installation, your pets receive three hands-on training sessions with our certified trainers at no additional cost! This ensures your pet gains an understanding and confidence in their new boundaries.

Icon of a map representing Indoor and Outdoor Pet Fence Solutions from Invisible Fence® Brand

Customizable Indoor and Outdoor Pet Fence Systems

Protect your home without gates or closed doors - from the living room to the backyard, your pet stays safe wherever they roam.

Icon of a flag representing different rules and customizations for outdoor pet fencing for multiple pets

Different Rules For Different Pets™

Specific rules can be applied on both indoor and outdoor fences to give your whole pack more freedom. Keep your dog out of the trash and the rose bush and your cat in the house, but off the counter.

Icon with a checkmark representing your pets ability to return home without correction after crossing the boundary of our underground electric dog fence wire.

Freedom to Return

If your pet crosses the underground fence, our patented technology detects the time since the boundary was crossed and the return of you pet. So they are always free to return home safe and correction free.

Watch How Real Customers Protect Their Pets with Our Underground Dog Fence System

Boundary Plus Smart®: The Same Great Technology Just Smarter

A woman letting dogs out to play in their yard with underground electric dog fence wire

Monitor Your Pets Right From Your Phone

With Boundary Plus Smart® get instant updates right on your phone:

Escape Alerts – Instantly know if your pet has broken the boundary

Collar Battery Level – Never guess whether the collar is on or not

Fence Status – Know immediately if there’s a break or damage

Remote Support – Your local expert can often address concerns remotely, helping resolve issues quickly

A woman and her cat enjoying lunch outside care free surrounded by their underground pet fence system

Plus the features of Boundary Plus® Underground Dog Fence

3 Months of Battery Life - with Power Cap® Batteries 

Define Off-Limits Zones - Indoor & Outdoor Shields® units allow your pets customized access to all areas of your home

Flexible Entry and Exit Control - The Doorman™ pet door works in tandem with your underground dog fence allowing you to set programmed times and custom pet entry permissions

Invest once, benefit forever. Our exclusive Boundary Plus® pet containment system is designed to grow with your family. It is the ideal long term solution including future pets, new homes, and changing needs.

Are you ready to customize your own underground dog fence?

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A man plays fetch with a dog in yard with an underground dog fence

Why Invisible Fence ® Brand? We have led the way in pet containment and safety for 350+ years (in dog years that is). Book a free consultation and find out why the owners of over 3 million pets trust us.