PetSafe Stubborn Dog In-Ground Fence System (1071439)
PetSafe Stubborn Dog In-Ground Fence System is a training system designed for stubborn or hard-to-train pets. There are four static correction levels. Also ideal for training hearing impaired dogs. Covers up to 10 acres.
Perfect for deaf dogs
I got this because I saw no other option in training my deaf dog. It work really fast. But even if it didn't, I was just going to leave it up. Well worth the price.