The device against aggressive dogs is completely harmless for the human and is designed to drive away unfriendly dogs. The device issues sounds in the frequency range 20.000-25.000 Hz, very hard to hear by the human ear, but perceptive and very disturbing for dogs.
By a simple push of a button, the device creates a safety zone of a few meters around the operator.
Operating radius (m)
Acoustical intensity (dB)
Alkaline battery 9 V – 6F22 type
94 x 60 x 27