intelligent carbon monoxide alarm

Kidde smoke alarm alternative — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-SM604 (Wireless Interconnected RF Smoke Detector) certified UL/CE/EN54. Photoelectric + RF Mesh + 24-Detector Interconnect + Self-Healing + 10-Year Battery. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands···

IoT CO Alarm with OTA Update 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 Hungary. Contact: wanlinfirecontrol@163.com