Dog Repeller Led Ultrasonic From Dogs Anti Barking Device

The most humane and used widely way to keep your dog or your neighbor’s dog from barking. The ultrasound of the anti barking device will not cause interference or harm to humans, because humans can not hear these frequency bands, but dogs will be sensitive to these ultrasounds. However, some dogs may be afraid or dislike this sound and will not stop barking at first, so please allow up to 2 weeks for training.