First Alert Battery Operated Carbon Monoxide Alarm

First Alert Carbon Monoxide Alarm Keep yourself and your family safe from the threat of Carbon Monoxide. Includes 9V battery included.

- Electrochemical Sensor: Most accurate technology available for detecting carbon
- Mute Button: Mutes unwanted alarms. Also tests alarm function with same button.
- Low Battery Signal Mute: Quiets low battery signal for up to 8 hours.
- End of Life Signal: Provides audible confirmation alarm when battery needs to be replaced. Specifications:

- Normal Operating Voltage: 9V Alkaline Battery
- Temp Range: 4°C to 38°C
- Humidity Range: 10% to 95% relative humidity
- Audio Alarm: 85dB at 10ft.
- Test Button: Electronically simulates a carbon monoxide condition causing the unit to alarm.
- Alarm Reset: Automatic when carbon monoxide clears; Press Test/Silence to reset manually.
- Indicator LEDs Power: Green LED flashes once per minute Alarm: Audio Alarm (4 beeps, pause, 4 beeps) End of Life: Replace alarm 84 months (7 years) after installation
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