Whether your dog will bark, get mad, bite, walk the dog disobedient and so on.
This product is mainly used by the transmitter and receiver at the same time, after vibration, beep sound issued to the dog to make a relative punishment. Relatively large dogs can use electric shock mode when they are disobedient (only a small current, no harm to the dog). After certain training, they will be very obedient and will not have other symptoms.

You can contact me if you need it.