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TISI smoke alarm, NB-IoT Carbon Monoxide Detector, WL-CO801,···
TISI smoke alarm, NB-I···
2026-08-17
TISI smoke alarm — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-CO801 (NB-IoT Carbon Monoxide Detector) certified UL/CE/EN54. Electrochemical CO + NB-IoT + Ultra-Low Power + 10-Year Battery + Cloud. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands.