Question: what is the difference between petsafe wireless fences?
Answer: What is the difference between the Petsafe Wireless Fence and the Stay and Play System? The PetSafe Stay + Play Wireless Fence works up to a range of 3/4 acre and has rechargeable batteries. The PetSafe Wireless Fence works up to a range of 1/2 acre and comes with a RFA-67D battery. 48.