NB IoT fire alarm audio indicator

NB-IoT alarm with app control 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 available.···

smart alarm with backup battery direct from Wanlin Fire Protection — 12-year factory experience, WL-SS105 fully certified EN 54-3/UL 464/UL 1971/CE/FCC/RoHS/REACH. Key specs: RF 433MHz Mesh + 4G LTE Backup, RF Mesh Networking + Synchronized Strobe, 3-year replaceable lithium battery (4x AA). MOQ 100 units, 25-30 working days, OEM/ODM custom branding availabl···