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Alarme de fumée sur le chantier de construction, LoRaWAN Sma···
Alarme de fumée sur le···
2026-08-17
construction site smoke alarm — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-SM602 (LoRaWAN Smart Photoelectric Smoke Detector) certified UL/CE/EN54. Photoelectric + LoRaWAN 15km + Ultra-Low Power + 10-Year Battery. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands.
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Fabricant de l'alarme de fumée vivant senior, CE EN14604 UL ···
Fabricant de l'alarme ···
2026-07-08
Senior Living Smoke Alarm China manufacturer. CE EN14604 UL RoHS FCC certified. 4G wireless smoke detection solution for Middle East market. OEM/ODM, wholesale, global shipping. Contact: wanlinfirecontrol@163.com