NB IoT alarm for public address

smart alarm with adjustable strobe direct from Wanlin Fire Protection — 12-year factory experience, WL-SS107 fully certified EN 54-3/UL 464/UL 1971/CE/FCC/RoHS/REACH. Key specs: Bluetooth 5.0 + 4G LTE (optional), Compact High-Output Strobe + Mini Sounder, 2-year replaceable battery (1x CR123A). MOQ 100 units, 25-30 working days, OEM/ODM custom branding avail···

smart fire alarm bell direct from Wanlin Fire Protection — 12-year factory experience, WL-SS106 fully certified EN 54-3/UL 464/UL 1971/CE/FCC/RoHS/REACH. Key specs: 4G LTE Cat.4 + WiFi 6 + Zigbee 3.0, Smart Strobe + AI Adaptive Volume Control, AC powered + 48h backup battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 60+ c···