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NB IoT Alarm with Battery Powered
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NB-IoT Alarm with Multi Language Voice China Manufacturer, 4···
NB-IoT Alarm with Mult···
2026-07-13
NB-IoT Alarm with Multi Language Voice 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 Brazil. Contact: wanlinfirecontrol@163.com