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Wanlin Fire Equipment by Wanlin - China's leading source manufacturer of 4G smoke detector. Smart smoke detection with 4G/NB-IoT/WiFi/LoRa connectivity, remote monitoring, cloud platform, 10-year battery. OEM/ODM. ISO 9001. CE FCC RoHS UL EN54 EN14604 certified. Contact +8613261677119.

replaceable battery direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP100 smart fire detector certified UL 217/UL 268/UL 2034/UL 864/CE/EN14604/EN54/FCC. Key specs: Dual-Wavelength Photoelectric Sensing + Infrared Scattering Chamber + 4G LTE Cat.1 Cellular Communication, 4G LTE Cat.1 + IoT Cloud Platform + SMS/Push/Email Alerts + Remote···