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gym CO detector
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CO alarm for senior safety, NB-IoT CO Alarm, WL-CO803, Wanli···
CO alarm for senior sa···
2026-07-14
CO alarm for senior safety 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 ···