Best Patio Underground Fences in 2026

2 REPLACEMENT BATTERIES: Two 6 volt RFA-67 lithium metal replacement batteries included

COMPATIBLE COLLARS: Works with PetSafe bark collar, in-ground and wireless fence receiver collar systems

WATERPROOF AND LONG LASTING: Battery modules are waterproof and last 1-3 months, depending on use

1/2 ACRE OF CIRCULAR COVERAGE: The adjustable circular range can cover up to 1/2 acres from the placement of the portable indoor transmitter, and can be expanded further with purchase of an additional transmitter

NO DIGGING OR WIRE TO BURY: Sets up in just a few hours; a wireless boundary allows you to create a secure barrier around your yard to protect your pets without the time or hassle of burying wires

STATIC-FREE REENTRY: Unlike traditional in-ground fences, this wireless fence allows your pet to return home without being corrected if your pet passes the boundary

PetsTEK Wire Splice Kit for Electric In-Ground Dog Fence Systems. Compatible with All PetSafe, SportDog and Dogtra Underground Fence Systems.

Package Contains 10 Wire Splice Kits – 10 Tubes, 10 Wire Nuts and the Instruction Card.

The Tube is Filled with Waterproof Gel, That Protects Exposed Wires from Rust and Corrosion.

The PetSafe Stubborn Dog Fence Collar should be used for dogs that are 20 pounds or larger

Waterproof receiver. Also compatible with the Indoor Pet Barrier Transmitter (PIRF-100) to protect your pet indoors

5 Levels of Correction Plus Vibration. The most powerful receiver on the market

EXPAND YOUR EXISTING IN-GROUND FENCE: 500 feet covers approximately 1/3 of an acre

PERFECT FOR MOST IN-GROUND FENCE INSTALLATION: solid core 20 gauge copper wire is rated for direct burial

USE NOTE: For proper performance we recommend using Gel-filled Splice Capsules and wire connectors (RFA-366) - SOLD SEPARATELY

The PetSafe Wireless Fence Collar should be used for dogs that are 8 pounds and up. Fits neck sizes 6-28 inches.

Waterproof receiver. Compatible with PetSafe Wireless Containment System (PIF-300 system, IF-100 transmitter) and Stay+Play Wireless Fence (PIF00-12917).

5 adjustable levels of correction.Tone-only mode alerts your pet with a beep. Add an unlimited number of pets with additional wireless receiver collars.

Heavy Duty Gauge Wire - Twice as Thick a Protective Jacket as Factory Packaged 20 Gauge Wire (Included with Average DIY Fence Systems), for Stronger Protection Around the Core

1500 Feet for Coverage Up to 2 Acres

HMW Polyethylene Coating - Superior Protection Against UV Rays and Water Exposure

2000 Feet of 14 Gauge / .044 Polyethylene Protected, Heavy Duty Wire that is UV Resistant, Direct Ground Burial Rated and of the Highest Quality Available ANYWHERE!

eXtreme Dog Fence Maximum Performance Wire is Compatible with ALL Brands of Electric Dog Fence, Including PetSafe, Perimeter Technologies, Invisible Fence, SportDOG, Dogtra, Pet Stop, and ALL Others

The Highest, Most Durable Polyethylene Jacket Provides the Greatest Protection Against Heat, Cold, Water, Moisture, Abrasion, Chemicals, Elongation and Rodents Better than ANY Competitor's Wire

15 Waterproof (2-Piece) Splice Kits for Installation or Repair of Any Wired Electric Dog Fence System (Invisible Fence, PetSafe, SportDOG, Perimeter Technologies, and ALL Others)

Provides a Lifetime of Protective Wire Connection, in All Environments for 12 Gauge, 14 Gauge, 16 Gauge, 18 Gauge, 20 Gauge, and Even 24 Gauge Underground Dog Fence Systems

eXtreme Dog Fence Splice Kits are Manufactured in the U.S.A. and Assured to Perform When Installed as Per the Directions Below

COVERS 1/3 ACRE: Kit comes with everything you need to expand your in-ground pet fence including wire, boundary flags, splice capsules and wire connectors

INSULATED COPPER WIRE: Includes 500-feet of solid 20-gauge insulated copper wire rated for underground use

BOUNDARY FLAGS: 50 boundary flags are included to help your dog learn his new boundary area

REPLACEMENT COLLAR STRAP: Keep a backup collar strap on hand so your dog is always ready for his backyard playtime  

MEASUREMENTS: Collar strap fits neck sizes 6-28 in and is 3/4 in wide 

COMPATIBLE COLLARS: Stay & Play Wireless Fence Rechargeable Receiver Collar, Stay & Play Wireless Fence Replaceable Battery Receiver Collar and YardMax Rechargeable In-Ground Fence Receiver Collar 

Invisible Fence brand Compatible.

Works in R21, R22, R51, & Microlite Receivers.

Less Expensive than the original.

🏆 Improved: This 2nd Generation eXtreme Dog Fence PRO GRADE KIT Easily Covers up to 10 Acres and has Updated Electronics with 3 Antennas, 12x Battery Check, Temp Check and Wire Check

🏆 Waterproof and Submersible: Most Other Inground Dog Fence Systems Claim to be "Water Resistant". The eXtreme Dog Fence Includes a Collar Receiver that is COMPLETELY Waterproof, and Can be Submerged to 10' Deep. Your Dog Can Swim with the Collar on and Won't Affect it's Functionality

🏆 Pro Grade Fence Kit Includes: Heavy Duty Boundary Wire, 16 Gauge Twisted Wire, Digital Transmitter, Collar Receiver(s) w/ Battery, Training Flags, Splice Kits, and 10 Staples

CREATE A CUSTOM-SHAPED FENCE: Create a safe 1/3-acre play area for your best friend with the included 500 feet of wire; Purchase additional wire to expand up to a 25-acre yard

FOR PERSISTENT PUPS: Receiver collar has a tone plus vibration mode and 4 levels of safe, static correction that you can adjust based on how your determined dog responds during training

GREAT FOR HEARING-IMPAIRED PETS: If you best friend has a hard time hearing, the tone plus vibration mode will help him learn his new boundary area and keep him safe in the yard

Easy-to-install containment kit includes everything needed to cover 1 1/3 acres of land for one dog; can be expanded to cover 100 acres with more wire and flags (sdf-wf)

Rechargeable collar features lithium-ion batteries with 2-hour quick charge and one to two month battery life: waterproof and submersible to 25 ft. With dryer technology

Collar gives Tone (beep) and vibration (Buzz) warning before moving to one of seven static stimulation levels (you choose the best level for your dog)

This Package: This Listing is for a 1500' Spool of 18 Gauge / .030 Polyethylene Coated, Heavy Duty Core Wire that is UV Resistant, Direct Ground Burial Rated and of the Highest Quality Available

Compatible: Use Our Dog Fencing Wire with ANY Reputable Brand Fence, Including Perimeter Technologies, Dogtra, Pet Stop, High Tech Pet, DogWatch, Innotek, and ALL Others

Easy Installation: This Underground Dog Fence Wire Can be Buried 1-3" Deep Using a Lawn Edger, Trencher, Garden Hoe, or Run it Above Ground and Secure it Down with Our Landscape Staples

SPECS: This Option is for a Single Conductor 1000 Foot Continuous Spool of 18 Gauge Wire, with a Polyethylene Jacket and Heavy Duty Core. Highly Resistent to Moisture, Chemicals, Abrasion, Cut-Through, and Elongation.

UNIVERSAL: Any of the Spools of Fence Wire on this Listing will Work with Any Reputable Inground Pet Fence Manufactured by Innotek , Perimeter Technologies , Dogtra , DOGTEK , High Tech Pet , Pet Stop , or DogWatch. They Can Serve as Standard Dog Fence Boundary Wire, or Have 2 Lengths Combined to Create Your Fence's Twisted Wire. This is an Excellent Choice if You Want Your Underground Dog Fence to Last and Last

THE GOOD STUFF: This Wire is Not the Same Grade Wire you Will Find at a Building Supply Store or Depot. This Wire is Polyethylene Covered, Direct Ground Burial Rated and Resistent to the Sun's Rays. It is Designed to Perform out in the Elements and Provide Years of Solid Reliability. Most of Our Wire Will Last Longer than the Life of Your Beloved Pet.

1,000 Feet of eXtreme Protection 14 Gauge Electric Dog Fence Wire - Polyethylene Coated - Stronger and Longer Lasting than Factory Packaged Wire

Boundary Wire Protected by a Rugged Polyethylene Jacket to Protect from UV Rays, eXtreme Temperatures, and Water

Compatible with All Dog Fence Systems / All Brands (See List Below) / Universal

20"L x 10"H, 2 inch spike spacing, Made of 5.5mm galvanized steel rod (not hollow tube or thin rod)，each piece weighs 1.76 pounds

Patent Pending: The first company on the market adopts V-shaped structure.The unique Cross-welded design is stronger.

EASY to INSATLL: Only use a hammer to complete the installation. Recommend placing a piece of wood on top of the panel while hitting it with a rubber mallet.

SECURE A 1/3 ACRE YARD: Create a safe 1/3-acre play area for your best friend with the included 500 feet of wire; Purchase additional wire to fence in up to 5 acres

4 LEVELS OF CORRECTION: A tone-only mode plus 4 levels of adjustable static correction help keep your dog safe in his play area

DIY INSTALLATION: This do-it-yourself weekend project lets you create a fence that fits your yard’s shape and size

Higher intensity correction levels for stubborn or hard-to-train pets

For dogs 8 pounds and up, 4 adjustable levels of static correction

Tone with vibration option, Waterproof collar submersible up to 5 feet

EASY INSTALLATION: Pre-twisted wire makes installing your pet fence quicker and easier

CREATE ACCESS POINTS: Twisted wire creates sections where your pet can safely cross buried wire; read your in-ground fence Manual for instructions

WORKS WITH ANY IN-GROUND PET FENCING SYSTEM: Wire is rated for direct burial and can be used with any pet fence that is compatible with 20 Gauge copper Insulated wire

This Package: This Listing is for a 500' Spool of 20 Gauge / .025 Polyethylene Coated, 2 Splice Kits and 50 Training Flags

Compatible: Use Our Dog Fencing Wire with ANY Reputable Brand Fence, Including Perimeter Technologies, Dogtra, Pet Stop, High Tech Pet, DogWatch, Innotek, and ALL Others

Easy Installation: This Underground Dog Fence Wire Can be Buried 1-3" Deep Using a Lawn Edger, Trencher, Garden Hoe

ADD UNLIMITED PETS TO YOUR SYSTEM: Keep as many pets as you need safely in your yard with this add-a-dog receiver collar. Compatible with all PetSafe In-Ground Systems except YardMax and UltraSmart.

RECHARGEABLE: Quickly charges in 2-3 hours with each charge lasting up to 2 months depending on use

WATERPROOF: For all of your pet's outdoor activities

GPS CONTAINMENT TECHNOLOGY: Use standard civilian GPS positioning technology to locate your dog and calculate his track in real time, your dog will be warned once he crosses the border you set. You can adjust the radius of your dog’s play area from 30 meters (33 yd) to 990 meters (1083 yd), cover up to 760 acres

NO FALSE WARNINGS: Our R&D team has upgraded and optimised the algorithms at software level based on complaints from the market over the last 3 years. This product prevents 100% of false warnings whether the GPS signal is strong or weak. This is a significant and friendly improvement for your dog

SECURE CORRECTION MECHANISM: Comes with tone/vibration/shock correction modes, you can set the level of each correction mode separately, use one or more correction modes based on the characteristics of your dog. The stimulation is limited up to 3 circles, each circle lasts 30 seconds, to prevent your dog from being over-stimulated

WATERPROOF COLLAR: The waterproof collar comfortably fits dogs 5 pounds and up and adjusts to fit neck sizes 6-28 inches; compatible with all PetSafe Pawz Away pet barriers

LONG BATTERY LIFE: Battery quickly charges in 2-3 hours and can last up to 3 weeks with a single charge

PERSONALIZE YOUR DOG'S COLLAR SETTINGS: Teach your pets to stay in the secure play area with a sound-only training mode plus 5 levels of static on his receiver collar

The animal barrier extends the protection of your existing fence underground. Each piece of the Barrier is 20" long and 12" Depth, and the fence rod gap is 1.6 Inch. It Keeps your little pets like dogs/pigs.... from digging under the fence and get out, and Stop some Small/Medium critters like groundhog rabiit to damage your garden and backyard. garden and backyard.

The material of the barrier is Galvanized steel with rust-proof Balck finish, double protection to ensure the barriers not easy to scratch or rust even if in various harsh weathers.

The fence rod is very sturdy and the welding is very strong, it can be reused many times and will last for many years. The fence panels can be used by splicing together or separately

Heavy duty-works well in rocky areas

Good for cold weather

1000-feet roll of wire

Pack of 2 batteries.

The Perimeter Brand Replacement Battery Compatible with Invisible Fence is the best solution for keeping your system operating safely.

Compatible with R21, R22, or R51.

CollarSafe 1" Wide "BASIC" Replacement Collar - Custom made with our "BASIC" Economical (thin) Webbing Material - To view CollarSafe's entire collection of replacement collars, simply click on "Visit the CollarSafe Store" link above

WIDTH: 1 inch - LENGTH: 30 inches LONG (Easily Customized SHORTER by Customer-Instruction Included) - THICKNESS: approx. 1.68mm thin - Tensile Strength: 900 lbs - and includes TWO plastic adjustment buckles to minimize slippage (NO "D" RINGS! see photos) - Made with our Economical "Basic" Polypropylene Webbing (this material is THIN, please click link above to "Visit the CollarSafe Store" to view our entire collection of Replacement Collars)

2-holes 1-3/16" on center - This is the most COMMON HOLE SPACING - To ensure proper fit, please measure your current collar's hole spacing - This spacing WILL NOT FIT fence models beginning with an "R", such as R21, R22 & R51