Smarlance Ultrasonic Bark Controller Dog Bark Deterrent Outdoor Hanging Anti Barking Device Bird House for Training Dog Stop Barking Safe for Dogs, Other Pets and Human

Why choose this Proven Dog Barking controller? The ultrasonic frequency is not harmful to pets and completely inaudible to human ears. You can hang this dog barking control black birdhouse on a tree, without ruining your decoration. This anti barking…