M1Rrorrk Whistle Barking，Adjustable Frequency Professional Review

【Dog Whistle to Stop Barking】:Dog whistle to stop barking neighbors dog when your dog or neighbor's dog keeps barking.The ultrasonic dog whistle will not hurt your dog's hearing and also harmless to our humans. 【Simple and Effective Training Dog Whistle】:You can easily teach your dog unlimited commands by adjusting the different ultrasonic frequencies,Such as stop barking , sit, come, lay down,stay and more. 【Adjusable Silent Dog Whistle】: Our dog training whistle has a nut and screw that would adjust the frequency when turned.Adjusting the different ultrasonic frequencies until your dog exhibits the strongest reaction. You can easily teach your dog unlimited commands. 【Absolutely Safe Dog Whistle】: The dog whistles is made of 304 stainless steel. Our dog whistle is designed reasonable small size & comes in premium metal black color,long lasting and rust proof.It is extremely easy to wear around your neck with our matching black lanyard. 【Adjust for All Size Dogs】:Silent dog whistle ​suitable for all dog breeds including (Labrador, Scottish, Golden Retriever, German Shepherd, Beagle). This dog whistle can be used on any common breed of dog.