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

Note:
Outdoor use only.
Not for use by children.
The product will not work on deaf or hearing impaired dogs.
Human cannot hear the ultrasonic sound, however
precautions should be taken when preparing the
outdoor bark control for use.

• Uses ultrasonic sound to deter nuisance barking.
• Internal microphone used to detect barks up to 50 feet.
• 4 levels of operation, including a test mode, low, medium and high mode.
• Deter barking dogs on camping trips.
• Stop the barking dogs and train puppies not to bark.

Uses ultrasonic sound to deter nuisance barking.HE EASY