nb iot co alarm

China carbon monoxide alarm manufacturer and export supplier for carbon monoxide detectors, CO alarms, CO monitors and carbon monoxide sensors. Wanlin Fire supplies standalone and interconnected units, battery operated and mains powered alarms, 10 year sealed battery configurations, WiFi, Zigbee, Z-Wave, 4G LTE, NB-IoT and LoRaWAN connected alarms, combinati···

CO detector with VOC sensor 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 availa···