fault alarm CO detector

CO detector with cellular direct from Wanlin Fire Protection — 12-year factory experience, WL-CO805 fully certified UL 2034/EN 50291/CE/FCC/RoHS/REACH. Key specs: RF 433MHz Mesh + 4G LTE Backup, Electrochemical CO Sensor + RF Mesh Networking, 10-year sealed lithium battery (non-replaceable). MOQ 100 units, 25-30 working days, OEM/ODM custom branding availab···

fault alarm CO detector 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 + NB-IoT Low-Power Module, 5-year replaceable battery (2x AA lithium). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 6···