https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
CO1224 Carbon Monoxide Detector

CO1224 Carbon Monoxide Detector

System Sensor
Region: United States of America
Update: 11/24/2006
Key Specifications
*Full compliance with UL 2075

*A code required trouble relay

*Wiring supervision with SEMS terminals

*A six-year end-of-life timer

*12/24 VDC

*A current draw of 20mA in standby and 40mA in alarm

*Versatile mounting for wall and ceiling

*Electrochemical sensing technology

https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions