Quick Overview*PassiontechqualityCD-100 Model ultrasonicdog repeller;* Multifunction: training dog +banish dog + torch;* Expel ferocious dogs effectively and protects you from vicious dog attackProduct What can you do when your pet dog starts barking non-stop or come across vicious dogs?With the ultrasonic effective dog repellent, you can train your pet to be obedient, corrects misbehavior and stops barking. The effective dog repeller trainer is based on the theory that ultrasound (About 25KHZ) is above the upper limit of human hearing and super ultrasonic and 2800mcd strong white light.It can activate visual and additive activation to dogs, cats and other animals, but there will be no effects on people. So stop hesitating and make your pet obey today and keep out the victious dogsFeatures of the ultrasonic dog repellent:- Perfect for training all kinds of dogs such as that are used as pets, in police and for shepherding;- Train pets to be obedient, corrects misbehavior and stops barking;-Expel ferocious dogs effectively and protects you from vicious dog attack;-Simple turn the switch and use Effective, but no harms to human and pets;-Can be used as a torch at usual times with easy-to-carry strap.