alone detector

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{"cid":"115464","pid":"21901955","pimg_url":"\/\/img1.tradegrowthhub.com\/33\/b3\/6b9f08151d4f\/product\/73471064_s-w400xh400.jpg","name":"3vDC 10 Years Battery Power Only Fire Detector Alarm Smoke Detector CE\/CCCF DG822","attrs":{"Price":"$5.50(>=100 Pieces)","MOQ":"100 Pieces","Delivery Time":"Negotiable","Brand":"Risol"}}