Enhanced Ultrasonic Dog Bark Deterrent Devices, Professional 50ft Range Anti Barking Devices for Dogs, Long Battery Life & Safe Humane Design, Effectively Stops Noise & Bad Behavior hollandandbarrett Step 1: Insert one side

Step 1: Insert one side of vibration dampener into the left side of the vertical line

"lit-from-within" glow

2mm approx Safer

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Enhanced Ultrasonic Dog Bark Deterrent Devices, Professional 50ft Range Anti Barking Devices for Dogs, Long Battery Life & Safe Humane Design, Effectively Stops Noise & Bad Behavior hollandandbarrett Step 1: Insert one sideEnhanced Ultrasonic Dog Bark Deterrent Devices, Professional 50ft Range Anti Barking Devices for Dogs, Long Battery Life & Safe Humane Design, Effectively Stops Noise & Bad Behavior Product Features Stop Barking 3X Faster: Unlike ordinary three emitter devices or traditional bark collars, our upgraded anti barking device for dogs features three enhanced, synchronized ultrasonic heads delivering triple the coverage. Stops excessive barking, biting, and