PetSafe Stay & Play® Wireless Fence with Replaceable Battery Collar (Black)

The Stay & Play® Wireless Fence with Replaceable Battery Collar uses a radio signal that reaches up to 3/4 acres. The base unit sits in your house and the battery-operated collar reacts when your pet approaches the boundary zone. This system is formerly known as the Free to Roam Wireless Fence™. Base unit Collar with strap PetSafe® RFA-67 battery