Welcome to a quieter home with our ultrasonic dog bark deterrent, a humane and effective way to manage your furry friend's vocal habits. Say goodbye to incessant barking with this versatile and user-friendly device.狗狗止吠装置 : Automatic Dog Bark Stopper with ultrasonic sound emission to distract dogs and stop unwanted barking from up to 15 meters away, ensuring a peaceful environment for both pets and owners. 无害狗狗, 安全无化学成分 : Our device emits inaudible ultrasonic frequencies harmless to pets, promoting a safe and chemical-free solution for managing excessive barking. 全自动感应, 用户友好设计 : Simply turn on the switch and adjust the gear to activate automatic sensing of dog barks, reducing unnecessary hassle and saving time. 防水外壳, 室内外皆宜 : Waterproof design ensures durability and functionality in various weather conditions, suitable for both indoor and outdoor environments. 可充电电池, 经济环保 : Equipped with a USB rechargeable lithium battery, enjoy 30 days of continuous operation after a 5-hour full charge, eliminating the need for constant battery replacement.