Smoke Alarm 4 Wire Smoke Detector

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{"cid":"83346","pid":"18622623","pimg_url":"\/\/img1.tradegrowthhub.com\/e9\/77\/8ace8e7f485d\/product\/58456605_s-w400xh400.jpg","name":"12V 24V Two-wire Four-wire Networking Fire Alarm Photoelectric Smoke Detector with Replay Output LS-828-17","attrs":{"Price":"$4.48(100 - 499 Pieces) $4.30(500 - 999 Pieces) $4.20(1000 - 1999 Pieces) $4.10(>=2000 Pieces)","MOQ":"100 Pieces","Delivery Time":"Negotiable","Brand":"Longsin"}}