Why do we need a dog bark collar? Are you annoyed because your dog barks from early morning to midnight? Is your dog’s constant barking driving you crazy? In any case, a barking dog can wreak havoc on the patience of yourself and neighbors. While we love our pets, sometimes their yowling can get very irritating. Our bark collar for dogs can help you to stop the excessive barking effectively, all without the expense of a trainer or lessons. As such, you can work with your dog personally and deliver the training that best suits their needs. Who knows them better than you? Why do we choose Loyafish bark shock collar？ 1. Automatically stop barking and easy to use even for complete beginners. 2. This bark collar for large dog is humane and effective training modes. 3. Alternative 2 training modes for your preference:No Static Mode and Static Mode. 4. No false triggers and safety protection system, meaning no mistaken correction and no over-correction. 5. Clear Indicator and long-lasting rechargeable batteries for your convenience.