- Ergonomic, lightweight handheld design with a built-in carabiner clip for easy attachment to a bag, belt, or leash. Take it anywhere for consistent training indoors or outdoors. - Stop barking quickly and humanely: an ultrasonic deterrent that helps stop barking on command. Effective when triggered by visitors, other animals, or boredom, delivering calm with the press of a button. - Dual sound and ultrasonic modes: includes both audible sound and ultrasonic output. Dogs hear the frequencies clearly while they are barely noticeable to humans, making it suitable for use at home or on the go. - For dogs 5–120 lbs: designed for dogs aged 6 months to 8 years, regardless of breed or size. Humane, non-invasive way to guide better behavior. - Practical use scenarios: at the door when guests arrive to deter barking without shouting; during walks when your dog reacts to other dogs or wildlife; indoors during training or quiet-time to reduce nuisance barking.