During the first slip, the collar produces a 1s ultrasound and LED lighting 1 times. During the second slide, the collar produces a 2s ultrasound and LED lighting 1 times. During the third shift, the collar produces a 3s ultrasound, sound 2-3S (meaning static electricity). If the test lamp is connected as the attached photo, the light will shine
My dog is a German Shepherd 2 1/2 years at the first volley to put down he made a squeak.
So product that works very well.
A big thank you especially to the prices is very happy with the result.