1. TRAINING TOOL Use different flute methods to specify commands such as 'stay', 'sit', and 'come'. For example, 'stay' can be represented by two short tones, while 'sit' can be represented by a long tone followed by a short tone. If your dog reacts correctly, reward them with a to encourage obedient behavior. 2. Remote Control Function The ultrasonic waves can be transmitted up to 1000 meters. Even if your dog is out of sight, it can respond to your whistle signals (such as sit, paw, lie down, stand up, and follow). 3. Adaptable to Different Dogs Designed for all dog breeds including Labrador Retriever, Scottish Shepherd, Golden Retriever, German Shepherd, and Beagle. Dogs react differently to different frequencies. Adjust the button and screw to find the frequency that elicits the strongest response from your dog. 4. CRAFTSMANSHIP Made of 304 stainless steel, this dog whistle emits ultrasonic frequencies that attract your dog's attention without harming their hearing or health.