air quality sensor

window sensor with NB-IoT 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 installation, expa···

Parking Garage CO Alarm 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.

Smart CO Alarm China 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.

Airport CO Alarm 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.

CO Alarm with Phone Call Alert 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 Canada. Contact: wanlinfirecontrol@163.com

kitchen CO alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-CO807 fully certified UL 2034/EN 50291/CE/FCC/RoHS/REACH. Key specs: Bluetooth 5.0 + 4G LTE (optional), Electrochemical CO Sensor (Compact), 2-year replaceable battery (1x CR123A). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 60+ countries ac···

Carbon Monoxide Alarm with Air Quality Sensor manufactured by Wanlin Fire Control — EN 50291 / CE / RoHS certified carbon monoxide alarm with electrochemical sensor technology. Factory-direct pricing with OEM/ODM services, global shipping. Suitable for residential, commercial, and industrial CO detection. Contact for bulk quotation.