【Adjustable Frequency】: Different dogs respond to different frequencies. Our dog whistle has a nut and screw that adjusts the frequency when turned. Pay attention to how your dog responds to each setting until your dog shows the strongest response. 【EASY DOG TRAINING】: This is a great dog whistle to teach your dog obedience and learn basic skills. Train your dog with an ultrasonic whistle so you don’t have to yell. 【Anti-Lost Whistle】: The dog whistle body is made of stainless steel and coated with a protective cover to prevent dirt, damage and accidental loss. It’s super easy to wear around your neck with our matching black lanyard. 【Effective Dog Training】: Your pet can hear the dog whistle even if it can’t see you! Train your dog with different commands to follow your instructions. (sit, paw, lie down, get up, heal) 【Note】: Please be aware that this dog training whistle will not make your dog understand your instructions immediately. It takes several training sessions for your dog
