air quality sensor

smoke detector with voice alert direct from Wanlin Fire Protection — 12-year factory experience, WL-HS108 certified CE/FCC/RoHS/REACH/ISO9001/NFPA 72. Key specs: 4G + WiFi + Zigbee + Z-Wave + AI Analytics Multi-Protocol Hub, 4G + WiFi + Zigbee + Z-Wave + Video + Two-Way Audio + SMS + Push + Phone + Voice. No monthly fees, 4G cellular backup, DIY installatio···

CO Detector for Utility Room manufactured by Wanlin Fire Control — EN 50291-1 / CE / RoHS certified carbon monoxide alarm with electrochemical sensor, 85 dB siren, and reliable CO detection. Factory-direct pricing with OEM/ODM services, global shipping. Suitable for residential, commercial, and industrial CO safety applications. Contact for bulk quotation.