Teach Your Pet to Avoid Areas in Your Home. Stop your pet from "Counter Surfing", waking the baby, getting into the trash or out of an entire room if necessary. The PetSafe Pawz Away Indoor Pet Barrier is a wireless dog fence you can use to keep pets out of certain areas in your house. No training and No installation, simply place the small transmitter in the areas you don't want your dog to be, put the collar on him and watch as he stays away from the protected areas. The PetSafe Pawz Away transmitter runs on (3) AA batteries. Average battery life is six months. Easy to Set up and use. Simply place the PetSafe Pawz Away Indoor Pet Barrier where you don't want your dog to go and turn it on and adjust the range. Control as many pets as you need with extra PetSafe Pawz Away Collars and protect as many areas as you want with extra Transmitters. The transmitter will broadcast a radio signal from 2 - 12 feet.