Anti Barking Control Device, Ultrasonic Dog Bark Deterrent Dog Training Tool Stop Dog Barking Indoor & Outdoor Up To 50 Ft Safe For All Dogs (Brown) : Pet Supplies

1. When the outdoor bark control is within range of a barking dog microphone pick up the sound and unit is automatically activated. 2. The outdoor anti bark control emits an ultrasonic sound.ultrasonic sound can be heard by dogs but is silent to humans 3. Startled by the high-pitched sound the dog should stop barking it will associate its bark with this unpleasant noise. 4. When the dog stops barking the ultrasonic sound also stops. How To Test It 1.Adjust the knob to TEST button. 2.Place the item to a position which is one arms length away from you. 3.Whistle to the microphone of the item loudlyif the LED blinks Greenand you can hear beeping noisethen the item work properly. If you need any further assistance please do not hesitate to contact us we always here to help you resolve any issues as much as we can.