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4G siren with warning light
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4G alarm with EN 54 certification, NB-IoT Sounder Strobe, WL···
4G alarm with EN 54 ce···
2026-07-13
4G alarm with EN 54 certification direct from Wanlin Fire Protection — 12-year factory experience, WL-SS103 fully certified EN 54-3/UL 464/UL 1971/CE/FCC/RoHS/REACH. Key specs: NB-IoT (LTE Cat-NB1), Ultra-Bright Xenon Strobe + Piezoelectric Sounder, 5-year replaceable battery (2x D lithium). MOQ 100 units, 25-30 working days, OEM/ODM custom branding availab···