SAFE AND EFFECTIVE SONIC BARK SUPPRESSION： Bark deterrent device utilizes advanced ultrasonic technology to gently disrupt your dog's brainwaves and curb excessive barking. Our device automatically detects nuisance barking and emits a high-frequency sound that is completely harmless, providing a humane yet effective solution to calm your pet and restore quiet to your home and neighborhood. REMOTE & DEVICE DUAL-WIRE SYNCHRONIZATION： Dog bark deterrent devices provide unparalleled, all-day barking control by seamlessly combining handheld remote operation with automatic sound activation. This dual-mode system allows you to instantly correct stubborn barking from anywhere, indoors or out, while the device continuously reinforces training even when you are not actively using the remote for comprehensive management. THREE ADJUSTABLE MODES AND A 50-FOOT RANGE： Anti barking device for dogs delivers versatile coverage for dogs of all sizes and personalities. You can easily select the perfect frequency setting to suit your pet's temperament, while the extensive range ensures effective monitoring and barking correction throughout your entire yard and home, providing you with complete peace of mind. RECHARGEABLE AND EASY-TO-USE DESIGN： Dog barking deterrent devices offer ultimate convenience with a built-in Type-C charging port for quick power-ups. You can effortlessly install this ultrasonic dog bark deterrent suppressor by hanging it on a garden fence, tree, or kennel, making the ultrasonic dog repeller a perfect solution for managing your own pet or a neighbor's dog. SUITABLE FOR MOST DOG BREEDS AND SIZES： This stop barking dog devices offers a safe and effective solution for reducing nuisance barking across a wide variety of pets. By targeting specific brainwave activity, it helps create a peaceful environment for you and your neighbors. Please be aware it is not recommended for hearing-impaired senior dogs or highly trained obedience puppies. Anti Barking Device for Dogs, Dog Bark Deterrent Devices,3 Modes Ultrasonic Bark Box with Remote Control, Anti Barking Device Long Range 50ft, Silencer Sonic Barking Deterrent Indoor/Outdoor