PetsPro Dog Whistle to Stop Barking - Train Your Dog with This Easy to Use Device - Perfect for Obedience Training for All Breeds - Best of the Barking Behavior Training Devices for Dogs on Amazon - Satisfaction Guaranteed FULLY ADJUSTABLE Dog whistle to stop barking lets you find the optimal pitch to get your dog to respond BREAK ANY BAD HABIT Training dogs is easy when you reinforce commands with sound! You can use this dog whistle to teach new tricks, for dog behavior training with puppies or stop dog barking once and for all HUMANE & SAFE Unlike other stop barking dog devices, this dog whistle doesn't cause a dog pain and doesn't pose any risk of injury! EASY TO CARRY Training dogs is most effective when it's consistent. That's why our dog whistle has a key chain on it, so you can take it wherever you go SATISFACTION GUARANTEED This stop dog barking device will help you train your dog, or it's free! If your dog doesn't stop barking or you don't improve dog obedience training results within 30 days, we'll give you a full refund!