Anti Barking Device, 50FT Dog Barking Control Devices with 3 Adjustable Modes, Ultrasonic Dog Bark Deterrent Devices for Indoor & Outdoor, Dog Barking Silencer Bark Box
【Ultrasonic Bark Stopper】- This Dog Barking Deterrent uses ultrasonic technology to intervene in dog barking. It won't damage human hearing, but quickly attract the dog's attention and make the dog quiet. the barking stop device will correct the dog's bad behavior ,no collar required. Suitable for all breeds and sizes of dogs over 6 months
