The series of dual technology (microwave & passive infrared & micro-processed) detector are widely apply to residence, business building, grand mall, bank, school, library, museum, storehouse and armory, etc. The detector adopts dual detection ways (infrared and microware), meanwhile applying microcomputer digital signal processing, unique humidity compensate and anti-electromagnetic technology, proprietary Fresnel lens to enhance anti light interferences function which can solve false-alarming problem completely.