Four adjustable ultrasonic volume levels – test, low, medium, and high, with LED battery power level indicator.
The device uses low-intensity ultrasonic, is silent to humans and not harmful. Secure for small, medium, large dogs.
HOW IT WORKS
This device is routinely activated by the sound of barking. When the device is throughout the range of a barking dog, the microphone will isolate and select up the barking to emit an ultrasonic sound to silence the dog.
HOW TO TEST IT
①Adjust the knob to “TEST” button
②Place the object to a position which is one arm’s length away from you
③Whistle to the microphone of the object loudly,if the LED blinks Green,and you’ll hear beeping noise,then the object work properly
1 X New Outside Bark Control
1 X User manual
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