Scientific Training - The training clicker produces a clear sound after pressing the button. This is a brand-new, happy way to communicate with your pet based on scientific records. It can be used to train your dog's basic obedience and correct bad behaviors. Many people call it the "happy training method." Ideal for training pets safely. CRISP SOUND - The clicker's sound is crisp and not harsh. It can arouse your dog's interest and attention without frightening them. Ergonomically Designed - The wristband clicker is easy to hold and can be easily obtained for training your dog, or you can share your dog's fun with your family. Easy to press and hold, so your dog can learn your instructions in a short time. Ergonomically Designed - The wristband clicker is easy to hold and can be easily obtained for training your dog. Or you can share fun with your family with your dog. Easy to squeeze and press, so your dog can learn your instructions in a short time. If you are not satisfied with your purchase, simply contact us. All OYEFLY products come with a 12-month money-back or new replacement guarantee. Our friendly customer service will find the best solution for you.