?Effective Dog Whistles for Recall?Dog whistles for recall emits a clear and loud sound, so dogs can receive your signal from afar, ideal for recall, remote training and behavioral control. Perfect for dog stop barking, dog recall, dog training, sports, hunting, herding, and more. ?Dog Whistle with Lanyard?Our dog whistle to stop barking with with ergonomic 17.72 inch lanyard, you can hang it around your neck or or wrapped around the hand for easy portability, make you get your dog stop barking at everywhere. ?Dog Whistle with Clear Tone?Our Dog whistle is tuned for ultrasonic frequency and tone, it can blow out fixed frequency tones of sound in different environments, even if it is noisy background noise, allows your dog to always receive clear signals and commands. ?Safe Dog Whistles?Our dog whistles are made of durable ABS plastic, with smooth nozzle, safe and odorless, waterproof, and it can be used for a long time. It has been carefully tested and proven effective for all dog breeds. ?Dog Whistle Kit?You will get 3pcs dog whistle features classic and stylish black & red & dark blue, you can replace at will. These dog whistles can help you to train your dog to perform different commands such as sit, stretch, lie down.