Ultrasonic Anti Dog Bark Device 3 Adjustable Levels Waterproof Bark Ultrasonic Indoor Bark Control Ultrasonic Dog Bark Deterrent Rechargeable & Humane Anti Barking JAQS Ultrasonic Bark Control Device,Rechargeable Handheld 25Khz. Qpets Ultrasonic Bark Guard for Dogs is a handheld, USB rechargeable training device that uses a safe 40kHz frequency to help discourage excessive barking without causing harm. Designed for humane correction, it captures your pets attention through non contact ultrasonic sound, making it effective for consistent behavior reinforcement. The cordless design, built in 300mAh battery, and integrated LED light make it convenient for both indoor and outdoor use, including nighttime walks. Compact and lightweight, it ensures easy handling and portability wherever training is needed. Qpets provides a practical and reliable solution for dog owners seeking a safe, comfortable, and humane way to manage barking and encourage calm obedience. Uses a 40kHz ultrasonic frequency that safely discourages unwanted barking without harming dogs. Features a cordless, USB rechargeable design powered by a 300mAh built in battery for flexible use. Offers simple, handheld operation for quick correction and consistent positive behavior training. Includes an integrated LED light that enhances visibility and safety during evening walks or low light conditions. Compact, lightweight structure allows easy carrying for effective indoor and outdoor dog training.