BATTERY POWERED SMOKE & CARBON MONOXIDE ALARM

Alerts you to both smoke and carbon monoxide. It features a photoelectric smoke sensor as well as an electrochemical CO sensor. Alarm warnings are fire, carbon monoxide, low battery and alarm memory (alerts user if smoke or CO has been detected in the last 24 hours. The one-touch button activates the Hush feature; tests the unit's electronics; silences low battery and end of life chirp for up to 24 hours at a time for a max of 7 days; and resets the device during a CO alarm. Includes easy-install mounting bracket and 2-AA batteries.