The QC101-C type microcomputer controls the expelling parasite (mouse) implement product characteristic brief introduction: Has adopt up to the minute "electric current Zhou Xiang to move " a technology , launched the frequency conversion electromagnetic wave and compound frequency conversion ultrasonic at the same time to the outside. Problem of mains lead vicinity vermin the electromagnetic wave is resolved mainly, but ultrasonic is interior need to eliminate the others area vermin, ultrasonic launches the frequency conversion ultrasonic signal to the vicinity , think that it meets thing understanding reflecting , can be full of the entire room thereby, this two kinds waves overlay double the effect coming into being together , system carries out the multiple disturbance on vermin's nervous centralis and senses of hearing such as mouse , roach , spider , ant , make the person feel exceeding discomfort , panic are discomposed。