【Absolutely Safe】 The dog training clickers and dog whistles have been meticulously crafted with premium quality plastic & metal. Ultrasound frequencies attract the attention of dogs without damaging their hearing and without any health problems.This is also a good frequency for most dog breeds and specifically for gun dogs and pointers that roam further. 【Dog Training Whistle】 When your dog or neighbor's dog keeps barking, you can also use this silent dog whistle to stop barking neighbor’s dog. When called by using our dog training whistle for recall,you can add dog training whistle for recall in dog barking deterrent devices kit and dog whistle training set. 【Package Includes】Package containing two dog whistles, one dog clicker, one dog whistle lanyard supported. The dog whistle is a good tool for interacting with the dog. You can get in touch with your dog anytime . 【Easy to Use】 Our dog Whistle is more effective than other training & behaviour aids for dogs and allows them more freedom throughout daily life. After training, even if the dog is not in your field of vision, the dog can make corresponding actions according to your whistle. Dog training clicker and puppy training clicker will train your dog and puppy effectively. 【 After-Sales】We are committed to providing pet training sets. Your complete satisfaction is our priority. If you are dissatisfied with your purchase for any reason, please contact us.We would help you to solve any problem until you are satisfied.