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Alarme de fumée de la maison de la fraternité Manufactureura···
Alarme de fumée de la ···
2026-07-29
Fraternity House Smoke Alarm China manufacturer. 4G standalone smoke detector with dual optical path photoelectric sensing, 4G Cat.1 communication, DC6V battery (3-year life), ≥95dB alarm, ≥60sqm coverage. GB20517-2006 & CCCF certified. OEM/ODM, wholesale, global shipping to Qatar. Contact: wanlinfirecontrol@163.com
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Alarme de fumée de l'école secondaire, détecteur de fumée in···
Alarme de fumée de l'é···
2026-07-29
middle school smoke alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SM604 4G standalone smoke detector certified CCCF/GB 20517-2006/CE/UL 217/EN 14604. Key specs: Dual Light Path Photoelectric + AI False Alarm Algorithm + 4G Cat.1 + Edge Computing, 4G LTE Cat.1 + AI Cloud Platform + Smart Push + Predictive Maintenance + OTA Update. ···