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visual alarm device
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NB-IoT Fire Alarm Beacon China Manufacturer, 4G Wireless Sou···
NB-IoT Fire Alarm Beac···
2026-07-13
NB-IoT Fire Alarm Beacon China manufacturer. EN 54-3 certified sounder strobe with 120dB siren and high-intensity LED strobe. 4G wireless, IoT smart monitoring, OEM/ODM, wholesale, global shipping to Qatar. Contact: wanlinfirecontrol@163.com