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fault alarm CO detector, NB-IoT CO Alarm, WL-CO803, Wanlin F···
fault alarm CO detecto···
2026-07-14
fault alarm CO detector direct from Wanlin Fire Protection — 12-year factory experience, WL-CO803 fully certified UL 2034/EN 50291/CE/FCC/RoHS/REACH. Key specs: NB-IoT (LTE Cat-NB1), Electrochemical CO Sensor (Ultra-Low Power), 10-year sealed lithium battery (non-replaceable). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 60+···
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false alarm reduction, Smart CO Detector with App, WL-CO801,···
false alarm reduction,···
2026-07-14
false alarm reduction direct from Wanlin Fire Protection — 12-year factory experience, WL-CO801 fully certified UL 2034/EN 50291/CE/FCC/RoHS/REACH. Key specs: WiFi + Bluetooth 5.2, Electrochemical CO Sensor + Digital Display, 3-year replaceable lithium battery (2x CR123A). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 60+ cou···