Perimeter Technologies Comfort Contacts 1/2" Black Dog Complete Systems they can have all the

they can have all the advantages of looking out the window and feeling the sunshine while having the security of a bolster

The Snap'y Fit patented system solves this problem

The Perimeter collar is not compatible with Shields Indoor Avoidance transmitters

Expandable flash memory for extended recording sessions

Perimeter Technologies Comfort Contacts 1/2" Black Dog Complete Systems they can have all theComfort Contacts Replacement Tips Features: Not sold separately. Must be purchase with Perimeter Technologies and PetSafe Systems as an add on. Cushion your pets neck with soft rubber Help avoid serious skin irritation and injuries for pets.