wireless alarm with end of life warning

NB-IoT sounder with strobe 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 available. Serv···

wireless alarm with data logging direct from Wanlin Fire Protection — 12-year factory experience, WL-SS104 fully certified EN 54-3/UL 464/UL 1971/CE/FCC/RoHS/REACH. Key specs: LoRaWAN 868/915MHz, High-Intensity LED Strobe + Multi-Tone Sounder, 3-year replaceable battery (2x C lithium). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Ser···