Auto Battery backup Sirens

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{"cid":"114317","pid":"21785322","pimg_url":"\/\/img1.b2bforus.com\/c4\/66\/d5fb485c2707\/product\/72985036_s-w400xh400.jpg","name":"HC-BS33 BATTERY SUPPORT SIREN 20W 12V Alarm Car Alarm Auto Emergency Siren","attrs":{"Price":"Negotiable","MOQ":"500.0 Pieces","Delivery Time":"Negotiable","Brand":"HC"}}

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{"cid":"114317","pid":"21785253","pimg_url":"\/\/img1.b2bforus.com\/c4\/66\/d5fb485c2707\/product\/72984745_s-w400xh400.jpg","name":"HC-BS21 Continuous Tone \/ 6 Tone Siren Support Battery Auto Alarm System","attrs":{"Price":"Negotiable","MOQ":"1000 Pieces","Delivery Time":"Negotiable","Brand":"HongChang"}}