2月21日的Ultrasonic Sound Waves应用程序分析

A Continuous Process Week1-2 : quick impact and run away from shelter Week2-4 : non-immune and nervous system damaged Week4-6 : intolerable and flee from home forever There are 3 operation settings, different lighting color represents different functions. Green , blue , red color. RESEARCH and DEVELOPMENT We don’t just rely on theories. Our product is backed by reliable research, performed by the experts in ultrasonic technology. Several tests have been conducted to make sure that the device works effectively on most. Also, our research team made sure that the frequency of the sound waves had just the right level for driving it away without affecting human beings living within its range.