►Anti Bark Device Features:

1. Uses ultrasonic to deter unwanted barking
2. Detects barks up to 50 feet with the use of an internal microphone
3. Switch with 4 levels of operation
Test: Used to verify the microphone and speaker are functional
1=Low Range - Up to 15 feet
2=Medium Range - Up to 30 feet
3=High Range - Up to 50 feet

►How To Test Dog Bark Deterrent Devices?
1. Adjust the knob to "TEST" button.
2. Place the item to a position which is one arm's length away from you.
3. Whistle to the microphone of the item loudly, if the LED blinks Green, and you can hear beeping noise, then the item work properly.

►How the Barking Dog Silencer Works?
1. When the outdoor bark control is within range of a barking dog, a microphone pick up the sound and the unit is automatically activated.
2. The outdoor no 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.

►Package Includes:
1 x New Outdoor Bark Control
1 x English Manual