Keep him out of trouble even when you are not around. A wireless deterrent that will instantly keep your dog away from designated areas of your home(trash can, kitchen counter or new sofa). Your pet wears a receiver collar with contact points that touch his neck. When he enters the barrier area, he'll hear a series of beeps from the receiver collar & will feel a safe, progressive static correction, delivered through the contact points on his neck. Designed to startle, not to punish. Adjustable to 12 ft in diameter.Your pet will quickly learn to avoid the area.