Step 1 Install a 9V battery into the ultrasonic device as per the instruction manual.Turn the button to âTâ for a test. Make sure it works. Step 2 Set the device to work mode (1-3).According to the range of dog barking, it can be set to 1-2-3 levels range, the maximum distance is 15 meters....
Ultrasonic Bark House Instruction When the Ultrasonic Bark House is within the range of a barking dog , the sensitive component â Microphone will pick up the sound , then the unit is automatically activated . The bark house emits an ultrasonic sound . The ultrasonic sound can be heard by dogs but is silent...