smart CO alarm China

NB-IoT CO Detector Supplier Factory China manufacturer. UL 2034 and EN 50291 certified CO alarm with electrochemical sensor, 4G wireless monitoring, 10-year sealed battery, OEM/ODM, wholesale, global shipping to France. Contact: wanlinfirecontrol@163.com

CO detector for library direct from Wanlin Fire Protection — 12-year factory experience, WL-CO807 fully certified UL 2034/EN 50291/CE/FCC/RoHS/REACH. Key specs: Bluetooth 5.0 + 4G LTE (optional), Electrochemical CO Sensor (Compact), 2-year replaceable battery (1x CR123A). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 60+ count···