This ultrasound device is a 3 in 1 product. Flashlight, anti bark training tool, and also prevents attacks from other dogs and wildlife. Also you can get the whistle or a choice of yellow and black or all of them.
Train all kinds of dogs like they do in police dog training and for sheep herding.
Expel ferocious dogs effectively and also illuminating.
Used as a torch at usual time.
Three function grade switch and beam button.
With a hand strip for easy carrying.