【Suitable for All Dogs】You will get 2 pcs ultrasonic dog whistles with lanyards. The dog training whistle​is suitable for all dog breeds, including Labrador, Scottish, Golden Retriever, German Shepherd, Rottweiler, Dachshund, Beagle, Etc. You can get in touch with your dog anytime. 【Absolutely Safe】The silent dog whistle is made of 304 stainless steel, with a frequency that captures the dog's attention without damaging their hearing or causing any health issues. The dog recall whistle comes with a lanyard, allowing you to take it anywhere without worrying about losing it. 【Remote Command】The ultrasonic transmission range can reach up to 1000 meters. After dog whistle training, even if your dog is out of sight, the dog will still respond to your whistle by corresponding actions such as sitting, pawing, lying down, standing up, or healing. At any time, you can use the dog whistle to make dogs come to you, without the need to shout. 【Stop Dog Barking】When your dog or a neighbor's dog is barking continuously, gently blow the dog whistle. The ultrasonic frequency emitted by the dog training whistle easily captures the dog's attention and helps stop the barking. 【Adjusable Frequencies】Different dogs respond to different frequencies. Our dog training whistle features a nut and screw that allow you to adjust the frequency. Pay attention to how your dog reacts to each setting until you find the frequency that elicits the strongest response.