My dogs are trained for an electric fence. When they were puppies I purchased an Innotek Contain and Train SD-3000. Innotek has come out with much fancier systems now, but I’m still happy with what I have. I like Innotek — they stand behind their products. The collars are the most expensive part and if one fails (and they have) you can do a trade-in at a much lower cost than buying a new collar. This system also comes with an adjustable transmitter. The dog collars beep well before the dogs gets a shock. The width of that area where … Read more…