"An internal microphone picks up the sound and the unit is automatically activated.
Adjustable Nylon Collar X1
Battery capacity tester X 1
Contact points X 2
contents: Bark controller X1
From the third bark the collar emits a 3 second ultrasonic sound and gives 2-3 seconds static shock.
If the dog barks within 1 minute after the first static shock, the collar sends out a 3 second ultrasonic sound and 2-3 second of static shock.
If the dog stops barking,the collar resets itself to the lowest level and repeats the first 3 steps.
Special screwdriver X 1"
Standard AAA/1.5V X2
The bark control collar starts with emitting an ultrasonic sound of 1 second as a warning at the first bark. At the second bark the collar emits an ultrasonic sound of 2 second.
The dog should stop barking.
The shock levels can be adjusted with the delivered screwdriver.