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First Alert Hardwired 120V Electrochemical/Ionization Carbon Monoxide and Smoke Alarm

First Alert

Electrochemical & ionization sensor
Designed for hardwired installation, but features a 10-year battery back-up allowing the unit to function if the power goes out
Hardwire adapter so there is no need to rewire
Can be connected to other compatible BRK or First Alert CO/smoke detectors within a single family residence
Includes single button silence or test function
10-year limited warranty