PAC DOG BARK CONTROLLERIntroducing The new Pac Dog Bark Control Collar for your dog. This Collar can be set at 8 different levels of stimulation. Not only that but you can also choose to put the Bark Controller just on Vibrate. The Choice Is Yours! This product will cure a dog's persistent, nuisance barking automatically. With the eight different levels, you are guaranteed to find the correct level for your dog. No matter what his temperament is. It allows your dog his