Best Electric Fence For Large Dog

PetSafe Original Wireless Electric Fence for Dogs, Portable for Travel Covers Up to 1/2 Acre, Waterproof Collar for Pets 8lb+ with Tone/Static (Gray), from The Parent Company of Invisible Fence Brand

PetSafe Stay & Play Dog Wireless Fence System with Replaceable Battery Collar, Wireless Dog Fence System Portable Pet Boundary, Waterproof Collar, from The Parent Company of Invisible Fence Brand

PetSafe Basic In-Ground Pet Fence Underground Dog Fence System, Pet Electric Fence Waterproof Collar for Dogs, Adjustable Collar Fits Neck Sizes 6-26 in, Wired Dog Fence System (Multi-Color)

E-FENCE GPS Wireless Dog Collar Fence System, Electric Dog Collar Fence,Adjustable Warning Strength, Pet Containment System, Rechargeable, Outdoor Use Only(2 Pack)

MIMOFPET Wireless Dog Fence System for 2 Dogs - Up to 3500ft Adjustable Electric Fence for Dogs,Waterproof Dog Training Collar Rechargeable,Pet Containment System for Large Medium Dogs

PetSafe Stubborn Dog In-Ground Pet Fence Electric Fence for Stubborn Dogs (500 Ft 1/3 Acre 20 Gauge Wire Kit) Underground Dog Fence System, Underground Stubborn Dog Fence System (Red and Black)

GPS Wireless Dog Fence for Outdoor Use, Pet Containment System with AI Smart GPS Signal for Most of Dogs, Waterproof and Rechargeable Electric Collar Fence with 3 Warning Modes, Range 65-3290 FT

WIEZ GPS Wireless Dog Fence, Electric Dog Fence for Outdoor, Range 65-3281ft, Adjustable Warning Strength, Rechargeable, Pet Containment System, Harmless and Suitable for Most of Dogs(2 Collars)

PETHEY Wireless Dog Fence System, Indoor & Outdoor Use, 1 Acre High-Precision Radar Electric Dog Fence, Real-time Monitoring, 9-26in Medium & Large Breeds, Not Limited by GPS Signal (for one Dog)

Htcuto Wireless Dog Fence System Electric Fence for Dogs Training Collar with Remote 856 Acre Wireless Pet Fence Outdoor No Wire Circular Boundary Containment for 2 Dogs Large Medium with 2 Collar