1. Working principle:The dog's bark will trigger the dog repeller to automatically generate ultrasound, and the ultrasonic waves can correct the dog's behavior. Preventing dogs from barking annoyingly...

This ultrasonic dog bark deterrent can automatically stop the bark and creates a tranquil and quiet indoor environment. You just need to put it on the table or in the corner of the house where the dog...

1. Is the ultrasonic dog bark control harmful to dogs?The ultrasonic wave emitted by the ultrasonic dog bark control is only a high-frequency sound wave that the human ear can't hear, but the dog can ...

As long as the temperature of the object itself is greater than absolute zero, it can emit electromagnetic radiation, and there is no object in the world with a temperature iequal to or lower than abs...

Principle of ultrasonic and electromagnetic pest repeller: according to the research of foreign zoologists and the conclusions of domestic and foreign laboratories, mice are fearful of the frequency o...

As an important infrastructure of the smart grid, transmission lines and towers are as important as the blood in our human body. Its health and stability directly influence the safe operation of the p...