The legions of rats that have forever scurried across the Earth have inspired no shortage of inventions promising to make them vanish. There was the device that would fend them off with ...

This electronic mice repellent emit high frequency sound waves to create an acoustically hostile environment that effectively repels rodents from protected areas. Sound is inaudible to people and ...

This electronic mouse repellent circuit was designed because most people agree that rats and mice are not welcome in our houses, meantime some of us don’t want to hurt this tiny and “beautiful” ...