First Alert 1039741 Carbon Monoxide Alarm, 85 dB, Alarm: Audible, Electrochemical Sensor Electrical Wire 2 points of locking

2 points of locking

5 oz 2:1 ratio cartridge

Maximum Cutting Depth at 45 degrees: 2-1/4 in

Get all-day runtime when paired with our M12™ REDLITHIUM™ battery pack

Compatible

First Alert 1039741 Carbon Monoxide Alarm, 85 dB, Alarm: Audible, Electrochemical Sensor Electrical Wire 2 points of lockingThe First Alert CO400 carbon monoxide alarm utilizes a electrochemical carbon monoxide sensor that lasts for up to five years to detect carbon monoxide. This carbon monoxide detector is battery powered, making it portable and easy to use anywhere, even in the event of a power outage. When carbon monoxide levels become elevated, a loud 85 dB alarm alerts you to the threat.