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smart fire alarm audio indicator
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4G alarm OEM, 4G Wireless Sounder Strobe Alarm, WL-SS100, Wa···
4G alarm OEM, 4G Wirel···
2026-07-13
4G alarm OEM direct from Wanlin Fire Protection — 12-year factory experience, WL-SS100 fully certified EN 54-3/UL 464/UL 1971/CE/FCC/RoHS/REACH. Key specs: 4G LTE Cat.1 + WiFi, High-Intensity LED Strobe + Piezoelectric Sounder, AC powered + 72h backup battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 60+ countries across···