General description This Effective 50ft Outdoor Dog Bark Stopper is an upgraded ultrasonic dog bark control device designed to reduce excessive barking in dogs aged 6 months and up. It operates without the need for a traditional collar, making it safe for most dogs. With a range of up to 15 meters (50 feet), this device is ideal for outdoor use, ensuring long-term effectiveness in various weather conditions. Technical specifications Range: Up to 15m/50ft Adjustable working frequency: 0 to 9 Modes: Intelligent mode, high, medium, and low gears Waterproof and durable design Usage Utilizes high-frequency sound to deter excessive barking Features an intelligent voice recognition system that filters out nearby barking frequencies Includes an LCD screen to monitor device functionality and battery status Three control buttons: stop button, automatic button, and 3-level frequency adjustment buttons Other information Can be placed on trees, indoor or outdoor walls, or fences Can be hung on