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First Alert Battery Operated Combination Carbon Monoxide/Smoke Alarm for $23.04 (Reg $54.99) with FREE Shipping on orders over $25.00 or with Amazon Prime Orders.
- Combination smoke detector/carbon monoxide alarm detects two threats
- Battery-operated unit installs quickly and easily without an electrician
- Photoelectric sensor detects smoke while minimizing false alarms. 2 AA batteries included. EZ access battery drawer, no need to remove alarm from ceiling to change battery
- Electrochemical CO sensor alerts you to carbon monoxide danger
- A single button tests the unit or silences the alarm. Low battery signal mute, quiets low battery signal for up to 8 hours