air quality sensor

Digital Display CO Detector 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.

Home Security CO Detector China manufacturer. Electrochemical CO sensor with UL 2034 EN 50291 CE certification. 4G wireless, smart home integrated, OEM/ODM, wholesale, global shipping to Colombia. Contact: wanlinfirecontrol@163.com