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Dual Communication Channel
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Dual communication channel, Smart Smoke Detector, WL-SD-500,···
Dual communication cha···
2026-08-22
dual communication channel — Wanlin Fire, Chinese smart smoke detector manufacturer and exporter by Wanlin Fire Technology. WL-SD-500 photoelectric smart smoke detector with 4G LTE and NB-IoT dual-mode connectivity, 10-year sealed lithium battery, 85dB sounder, app/SMS/push alerts, remote cloud monitoring. EN 14604, EN 54-7, UL 217, CE, RoHS certified. MOQ ···
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Metal Housing China Manufacturer,Smart Fire Safety,OEM/ODM G···
Metal Housing China Ma···
2026-08-03
Metal Housing China manufacturer. Smart fire safety with multi-sensor fusion, AI false alarm elimination, 4G+WiFi dual communication, IoT cloud platform. UL217 & NFPA72 certified. OEM/ODM, wholesale, global shipping to Kuwait. Contact: wanlinfirecontrol@163.com