MANGAL COMPUTERS & COMPONENTS
Dog Repeller

Dog Repeller

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Dog Repeller: Using a particular frequency ultrasonic wave to train  dog and don't have any  harmful to dog. The ultrasonic waves is irritating to dogs.The high intensity sound waves are out of the hearing range of human beings, but able to be heard by dogs up to 50 feet away. Also can use the sonic to train a dog and improve its behavior. Beautiful appearance , easy to use. Can be use as a flashlight