NIKIMORE Dog Whistle to Stop Barking, 2 Pack Ultrasonic Silent Adjustable Training Whistle with Lanyard (Black)

【ADJUSTABLE DOG WHISTLE】: Different dogs respond to different frequencies. Our dog training whistle has a nut and screw that would adjust the frequency when turned. Notice your dog's reaction to each setting until your dog exhibits the strongest reaction. 【ANTI-LOSS DESIGN】: Our silent dog training whistles come with a high-quality lanyard and special lock nut & cover, it allows you to take this dog whistle to anywhere without worrying about losing them. Issue commands and gets in touch with your dog whenever needed. 【STOP DOG BARKING】: When your dog or neighbor's dog keeps barking, gently blow the dog whistle, the ultrasonic frequency emitted by the dog whistle can easily attract the dog's attention and stop barking 【SUITABLE FOR ALL DOGS】: Silent dog whistle suitable for all dog breeds including (Labrador, Scottish, Golden Retriever, German Shepherd, Beagle). You can get in touch with your dog anytime 【PROFESSIONAL AND SAFE】: Our ultrasonic dog whistle is made of safe high-quality stainless steel, The ultrasonic waves from the dog whistle will not damage your dog's hearing during training and will not cause any health problems for your dog. This dog whistles that makes dogs stop barking can be used on any common breed of dog.