Safe Dog Whistle for Silent Bark Control - Key benefits: Use silent control to stop unnecessary barking. The ultrasonic signal is not extremely loud to humans, but it is audible to dogs, making it easy to grab their attention and regain control without shouting. - Anti-Loss and safe design: Double anti-loss system with a special locking nut and a cap that includes a free lanyard. This helps prevent loss or misplacement and allows you to carry the whistle wherever you go. The whistle is small, practical, and made from high-quality stainless steel, offering durability and easy storage. The whistle may not be crystal clear to people, but it is clearly audible to dogs. - Easy training tool: Use the whistle to stop barking and to cue your dog with commands. This ultrasonic training device supports teaching a range of commands, including recall, sit, come, stop, leave it, stay, and potty training. Specifications and features - Material: high-quality stainless steel - Size: small and compact for easy carrying and storage - Function: silent bark control with dog-audible ultrasonic signals - Safety and practicality: designed to resist loss with a locking nut and cap, plus a free lanyard for secure carrying Use scenarios - At home during quiet hours to reduce barking without disturbing neighbors - Outdoor training in the yard or park to reinforce recall and basic cues - During travel or daily walks to maintain calm behavior and reinforce obedience in new environments This product provides a compact, durable solution for humane bark control and dog training, combining ease of use with a reliable anti-loss design and practical training functions.