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Wanlin Fire Protection Brings NB-IoT Smart Smoke Detector (W···
Wanlin Fire Protection···
2026-05-31
Smoke Alarm System direct from Wanlin Fire Protection — 12-year factory experience, WL-SM500 fully certified CE/EN54/FCC/RoHS. Key specs: NB-IoT ultra-low-power, 8-year battery life, daily heartbeat r
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Multisensor Smoke Heat CO Alarm Manufacturer Wanlin Fire Lau···
Multisensor Smoke Heat···
2026-05-31
Multisensor Smoke Heat CO Alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SM400 fully certified CE/EN54/FCC/RoHS. Key specs: LoRaWAN protocol, 2-5km urban range, 500+ devices