PetSafe Pet Fence (Indoor Radio Fence Contanment Systems)
For indoor area boundaries, no wiring required!
Uses a Frisbee™ sized indoor transmitter to set a circular area from 2 to 20 feet in diameter off limits. Works with all PetSafe® containment system collars (excluding 7 KHz). Works great for both dogs and cats!
PetSafe Indoor Radio Fence Pet Fence Transmitter (Item #: PIRF-100)