How the PGF600 In-Ground Dog Fence Keeps Dogs Safe

The wire emits a wireless signal that interacts with a receiver collar worn by the dog.

Comparing the F810+ and F830+ Wireless Dog Fences

Differences Between the F810+ and F830+ Wireless Dog Fences

How do I train my dog to stay within the boundary?

Your dog does not need to see a physical marker indicating the boundary in order to associate it with the electronic fence.