tunnel CO alarm

GOST certified CO alarm Industrial Fixed Carbon Monoxide Detector for Parking Garages, Tunnels and Plant Rooms export OEM ODM wholesale

CO detector building code 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 6···