This is a great starting point for anybody who is considering purchasing a Petsafe Electric Underground Dog Fence. Knowing how it works will make it easier for you to make a decision. In addition, youwill alsofind my Petsafe Fence Selector Guide of great use inspeeding your way through the selection process.
A small indoor radio transmitter box is installed indoors and is plugged into a standard indoor power outlet.
A wire runs from the house and is hidden underground, or attached to a fixed object such as an existing fence, around the boundary of the area that you want to contain your pet in.
The transmitter emits a radio signal that travels along the wire, the wire acts like a large antenna and transmits a signal around the boundary, enclosing the safe area that you have defined.
The radio signal strength can be adjusted to radiate up to 15 feet from the wire to allow protection of flowerbeds and walkways; 4-6 feet being optimal for training.
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