The PetSafe Stubborn Dog Collar is for the Occasional "Hard-Headed" Dog.
This is the most powerful dog fence collar available With FIVE LEVELS OF CORRECTION PLUS VIBRATION as an added deterrent. This is a true breakthrough in pet containment.
The PetSafe Stubborn Dog Collar is for the occasional hard-to-train dog and is compatible with all PetSafe, Radio Fence and Pet Guardian;Brand underground dog fences. It weighs just 3 ounces and measures 2.25 x 1.5 x 1.25 inches. It is three times more powerful than our regular dog fence collars and is designed with stubborn or hard to train dogs.
Because of its size, this receiver should be used for dogs that are 20 pounds or larger.