Gusiwhoo 2 Pack Dog Whistle Adjustable Frequency Professional Ultrasonic Stainless Steel Dog Whistle Dogs Stop Barking Recall Training Convenient Free Black String (Black) : Gusiwhoo : Pet Supplies

Adjust the frequency by turning the nut until you find the tone that best suits your dog and then train your dog with the correct frequency you found. PROFESSIONAL DOG TRAINING: Your dog is disobedient buy a gusiwhoo dog whistle and easily train your dog/puppy with unlimited instructions such as stop barking sit down lie down remember go to the toilet hunt training etc. No need to use electric shocks or other ineffective training methods to harm your pet. EASY TO CARRY: GUSIWHOO dog whistle is made of heavy metal and hard plastic. The design is simple and small which can be matched with any of your clothes and bags. When not in use it can be put in a pocket wallet or hung on a backpack. PREVENT LOSS OF DESIGN: Our dog whistle is equipped with a 16inch long extra-wide black shoulder strap lanyard and metal buckle to prevent loss. After many tests choose a stronger and higher-quality material which is not easy to break or scratch the neck so you can wear it with confidence ULTRASONIC CONDUCTION: The dog whistle is quieter than you think. It is mainly performed by ultrasound but it will not damage your hearing and your dogs hearing nor will it interfere with the lives of neighbors.