DogTek Electronic Dog Fence

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THE EF-4000 is an invisible dog fence which enables you to keep one or more dogs safe in complete freedom within a perimeter that YOU define without the need of an ugly containment fence. A discrete, state of the art perimeter wire (up to 450 yard) is easily placed under the ground or raised on an existing fence. This wire carries a signal from our small, mountable transmitting device. The EF-4000 collar automatically increases the tone’s pulsating rate in the warning zone as your dog approaches the correction zone.

www.petstreetmall.com/DogTek-Electronic-Dog-Fence-System/9854/4730/details.html

Wireless Dog Fence and with FREE SHIPPING on the Petsafe Wireless Fence.