Take control of your dog's behavior with the GILL&SONS Ultrasonic Dog Training Whistle – a safe, effective, and humane solution for bark control, recall, and obedience training. This adjustable dog whistle allows you to customize the ultrasonic frequency to match your dog's hearing sensitivity. With consistent use, you can teach your dog to respond to recall commands, stop barking, and follow basic obedience cues—all without shouting or stress. Crafted from durable stainless steel, the whistle emits high-frequency sound waves that are inaudible to humans but clearly heard by dogs. It's safe for all breeds and ages, from energetic puppies to adult working dogs. The included anti-loss lanyard and protective cap ensure your whistle stays secure, whether you're training indoors or outdoors. Compact, lightweight, and effective—this is the ultimate tool for dog owners who want better control and communication. 🟨 Key Features: Adjustable Ultrasonic Frequency for personalized training Reduces Excessive Barking & Encourages Obedience Safe for All Dog Breeds & Ages Durable Stainless Steel with Anti-Loss Cap & Lanyard Ideal for Recall Training, Behavior Correction & Outdoor Commands