"" What can you do when your dog starts barking all the time? With the ultrasonic trainer, you can teach your pet to be obedient, correct unreasonable behavior, and stop barking. The trainer is based on the theory that ultrasound (more than 20KHZ) is above the upper limit of human hearing and a strong ultra-ultrasonic white light of 2800mcd. It can activate activation visual and additive in dogs, cats and other animals, but there will be no effect on humans. features: An essential item for pet owners, perfect for training all kinds of dogs. Train pets to be obedient, correct behavioral errors and stop barking. Simple turn the switch and use efficient. It is an ultra-ultrasonic and strong white light of 2800mcd. Effectively expels ferocious dogs and protects you from vicious dog attacks. Since ultrasound is above the upper limit of human hearing, there is no effect on people. No danger to humans and pets can be used as a torch during normal hours. With strap easy to carry, portable,
