F600 In-Ground Dog Fence

The dual collar setup is a lifesaver since I have two very different sized dogs, and the adjustable neck range fits both of them perfectly. My little 8-pounder and my big 70-pounder both respond to the same wire layout without any fuss. It took some time to lay the boundary, but now I can finally le

Took a weekend to bury the wire around our yard, but the ability to shape the boundary around our garden beds instead of just a square is exactly what we needed. The smaller collar fits our 9-pound terrier snugly, and the larger one works fine on our 50-pound mutt.

The dual collars adjusted perfectly for my two dogs, one at 9 pounds and the other at 45. The neck range covered both without any slipping, and the boundary has held steady since day one.