Innotek Indoor Zone Collar is what your pet wears when using the indoor barrier "Innotek Zones" pet containment system. It deliver a mild shock correction when your dog comes into this signal range. There is no limit on the Innotek Indoor Zone Extra Collars that can be used per Innotek Zone.
Collar size is: Weight 1.3 oz. 2 1/8” Long 1” Wide ¾” Thick.