Similar to the human languages, barking is a way of communication among dogs. Dog owners consider barking a normal thing, but even they can be distressed if their dogs bark too much, too loud or at inappropriate times at the day or night. The Bark Collar can be used to give peace to dog owners and their neighbors. In order to benefit of the bark collars, dog owners should know what they are and how they work. Bark collars are electronic devices attached to usual dog collars, used to keep these animals from barking excessively or inappropriately. Of course, the times when barking becomes excessive or inappropriate or both depends on many conditions including the type of neighborhood, the time of day, and the circumstances surrounding the behavior. These electronic training tools are designed to work using aversive stimuli. The aversive stimuli consist in a warning beep followed by a mild electric shock, and they are delivered from the collar when the dog barks in excess. The dog is then startled into stopping its barking behavior until it learns to associate the beep and the electric shock with unpleasant feelings and, thus, stop barking excessively or inappropriately. When the dog owner uses the bark collar on its pet, many benefits reveal for both the owner and his neighbors. • This collar is useful to restrain the dog from barking in excess during the night time, when the neighborhood should be peaceful and quiet. Your dog will no more be barking at the moon and wake you or your neighbors at odd hours. • The electric shocks can be adjusted based on the training needs, discipline level and size of the dog. For greater dogs, like the Great Dane, which also like to bark and have a loud voice you will surely apply higher settings than for a small sized dog like a Yorkshire terrier, which only occasionally barks when it bores. When you first use the device you need to do some experiments and adjust the settings of the bark collar; start with the lowest settings and increase the level or intensity of the stimuli until your dog responds to this training technique by ceasing its barking. • Most bark collars will have a method by which dog owners can be alerted to the presence of intruders in the house and its premises because of the dog’s barks. In order to do this, the electronic device of the bark collar will automatically shut off in the case your dog barks for at least 15 times in a 30 seconds interval. You just need to set this function of the bark collar ON, and you will know that, if your dog continues barking, a really dangerous situation occurred. • You can easily adjust the bark collar to fit to the size of the neck of your dog, so it will feel comfortable while wearing it. These useful dog training electronic devices are usually fixed on leather made dog collars. So many dogs have this annoying habit of yipping and yapping at anything and everything, no matter the time of day or night, and their owners will be glad to invest in such useful product, because the Bark Collar is the most appropriate tool they can use to train their dogs proper behavior.