Hunting Dog Training Supplies - Innotek, TriTronics, Sportdog & Dogtra collars - Gun Dog Training Equipment

Dogtra's e-Fence system collars use state-of-the-art microcomputer technology. The receiver has an automatic control that limits the stimulus to eight seconds. Dogtra's filtering system prevents reception from outside sources other than your transmitter.Dogtra's e-Fence system collars use state-of-the-art microcomputer technology. The receiver has an automatic control that limits the stimulus to eight seconds. Dogtra's filtering system prevents reception from outside sources other than your transmitter.