NB IoT carbon monoxide

Retail Store NB-IoT CO Alarm manufactured by Wanlin Fire Control — EN 50291-1 / CE / RoHS certified carbon monoxide alarm with electrochemical sensor, 85 dB siren, and reliable CO detection. Factory-direct pricing with OEM/ODM services, global shipping. Suitable for residential, commercial, and industrial CO safety applications. Contact for bulk quotation.

wireless install CO alarm 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+ co···