This dog bark collar comes with everything you need to train your dog how to not bark and to be quiet. I am very pleased with this purchase, ease of use, and durability. Great product!!! The best part is the dog training collar is humane with no shocking. This is a behavior training that I can believe in. Would I recommend this product to other people? Yes, I would include friends and family. I absolutely think this is a great product. All opinions are my own and they are not influenced by anyone but myself. I hope this review has helped you with your future purchase decision. This was an excellent company to work with. I had no problems from start to finish. The product I bought was as described, product was received in wonderful condition, and delivery was prompt. I would recommend this seller to anyone because of their wonderful service that I received. Once again this is an awesome company that deserves recognition. EXCELLENT SERVICE https://www.amazon.com/Dog-Bark-Collar-Upgrade-2018/dp/B07D4GLTCR