Description Stop dog barking: When your dog or your neighbors dog keeps barking, gently blow the dog whistle, the ultrasonic frequency emitted by the dog whistle can easily attract the dogs attention and stop the barking Absolutely Safe: The dog whistle is made of 304 stainless steel. Ultrasonic frequencies attract dogs' attention without damaging their hearing or causing any health problems Remote command: Ultrasonic wave propagation distance can reach 1000 meters. After training, even if the dog is not within your sight, the dog can make corresponding actions according to your whistle (sit, paw, lie down, get up, heal). Use a dog whistle to let your dog come to you at any time without shouting Suitable for All Dogs: The silent dog whistle is suitable for all dog breeds, including (Labrador, Scotch, Golden Retriever, German Shepherd, Beagle). You can get in touch with your dog anytime Note:1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding.2. Color may vary due to different monitors, please understand. Note:Hello, please pay attention to your delivery address when purchasing products. If your delivery information (such as name, street, house number, doorbell/mailbox without name, etc.) is incorrect, the order will not be delivered correctly.)