NB IoT CO alarm

4G CO Detector with SIM Card 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 New Zealand. Contact: wanlinfirecontrol@163.com

airport CO alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-CO802 fully certified UL 2034/EN 50291/CE/FCC/RoHS/REACH. Key specs: Addressable Loop + 4G LTE Backup, Electrochemical CO Sensor + Addressable Protocol, Loop powered + 24h backup battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 60+ count···