If your pet loves to counter surf for scraps visit your closet to shred shoes leave his fur all over the sofa or wreak havoc in other “off limits” areas the Pawz Away® Extra Indoor Pet Barrier allows you to set up pet free zones in your house. You can zone off an unlimited number of areas by adding more Pawz Away® barriers inside your home. This barrier is compatible with your pet’s PetSafe® Pawz Away® Receiver Collar. When your pet enters the barrier area he will hear a series of beeps then feel a safe static correction on his receiver collar to teach him boundaries. You can add an unlimited number of pets to the system if they’re wearing a PetSafe Pawz Away Receiver Collar. PetSafe® brand is here to help you and your pet live happy together®.