- Train your dog to stop excessive barking safely and humanely with our effective solution. - Suitable for dogs of all sizes, this device emits high-frequency sounds that reduce barking for dogs aged 6 months and older, effective within a range of up to 25 feet. - Designed for hassle-free installation, it can be easily hung or mounted on trees, walls, or fence posts, making it ideal for both your dog and neighboring dogs. - Features a sensitive microphone that detects barking from up to 50 feet away, ensuring it works effectively indoors and outdoors. For indoor use, start at level 1 and increase as needed. Note: This device is not suitable for deaf or hearing-impaired dogs. - Perfect for various scenarios, whether you're at home trying to manage your dog's barking during the day or dealing with a neighbor's noisy dog disrupting your peace. - Made from durable materials to withstand outdoor conditions while maintaining optimal performance. - Experience a quieter environment with a professional solution that prioritizes your dog's wellbeing.