Dog Whistle, 2 Pack Ultrasonic Dog Whistle to Stop Barking for Dogs, Professional Recall Dog Training Whistles, Adjustable Ultrasonic Silent Dog Whistle to Stop Barking Control Devices, with Lanyard

【ADJUSTABLE FREQUENCIES】:Different dogs respond to different frequencies. Our dog whistle has a nut and screw that would adjust the frequency when turned. Notice your dog #39;s reaction to each setting until your dog exhibits the strongest reaction. 【PROFESSIONAL DOG WHISTLE】: You can use different flute methods to specify commands like #34;don #39;t move #34;, #34;sit down #34;, and #34;come #34;. For example: #34;Don #39;t move #34;, #34;Two short beeps #34;, #34;Sit down #34;, #34;One long and one short #34;. Please keep your whistle command consistent, when your dog does it right, give him a snack reward, approach to make your dog a listening and obedient friend. 【ANTI-LOSS DESIGN】: Our silent dog training whistles come with a high-quality lanyard and special lock nut amp; 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. 【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 #39;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. 【DOG WHISTLE THAT MAKERS DOG COME TO YOU】: Your pet can hear the dog whistle up to 200 meters away even if they can #39;t see you. It #39;s a professional dog whistle tracker that prevents your dog from getting lost! complete training freedom with poodles, sheep, rottweilers, huskies, and other breeds. When the dog is 3 to 7 months old the training effect is the better.