interconnected smoke and CO alarm

interconnected smoke and CO alarm trend — Wanlin Fire, 15-year Chinese fire safety equipment manufacturer and combination smoke and CO detector exporter, WL-SC-500 certified UL 217/UL 2034/EN 14604/CE/RoHS. 10-year sealed battery, dual photoelectric + electrochemical CO sensor, voice alert, digital display, wireless interconnect. MOQ from 100 units, OEM/ODM···

boiler room CO alarm 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 available. S···