Bulbul CD-100 3 in 1 Clever Dog Ultrasonic Training Expelling/Banishing Dog & Illuminating Touch-Orange

"The cute dog" CD-100 training dog machine is based on the theory that ultrasound (more than 20KHZ) is above the upper limit of human hearing, but within the dog's. It has the following three functions, training all kinds of dogs such as that are used as pets, in police and for shepherding; expelling ferocious dogs effectively and also illuminating. It can be used as a torch at usual time.