As an report from a American company research by specialists, they think there is a certain amount o...
The "electronic mouse repellent" we developed belongs to the "electronic method", not only does it n...
What should we pay attention to? when we using the pest repeller? Here are some points need us to kn...
This product starts to show its effect after two or three weeks of correct use, and the mice, pests,...
The human auditory system cannot respond to the frequency above 20000Hz, so our ears cannot hear it ...
Ultrasonic waves have the characteristics of not penetrating obstacles, strong directionality, and f...