Works Regardless Of BreedNo matter if your dog is a Poodle, Border Collie, Gun Dog, German Shepherd, Bulldog, Terrier, Rottweiler, Dachshund, Huskie, or another breed, you can make sure he obeys your commands and acquires basic manner skills. Silent dog whistles are also perfect for working dogs such as shepherding dogs or hunting dogs.Scientific Training ToolWith the whistle, it's no necessary to punish pet for training any more. Training dogs in this way is safe and easy, make huge changes to dogs& puppies, from sluggish to have great spirit, from fear to be full of confidence, from rudeness to obedience.Stop-bark Ultrasonic WhistleThe whistle is adjustable to fine tune the proper frequency, easily teach your dog unlimited commands such as sit, come, stop barking, stay, and more, The ultrasonic dog whistle sound will not annoyed you and who is around you, it is an ultra-sonic sound that is fit dogs well.by using sequences that only he/she understand.Easy Training And High QualityWell constructed and durable, metal whistle and clicker will not rust or break.Choose A Better Eco-friendly Dog WhistleWe care about quality and the environment. The Dog Whistle crafted cruelty-free and safety tested with your pet in mind.