ULTRASONIC PORTABLE DOG ASSEMBLY
Portable device, can be used by children, postmen, runners, cyclists, anyone who feels nervous when a dog is around.
It is also effective as a training tool for dogs, to improve their behavior.
-Feed: 9V block battery (not included)
-Ultrasound frequency: 23,000 to 27,000 Hz
-Accident: up to 12 meters.