- Peak Level Button – Displays the peak CO level recorded by the alarm since it was last reset or unplugged
- Test Button Functions – Tests the unit for proper operation and resets the Carbon Monoxide alarm
- LED Operation – Blinking dot in lower right corner of display denotes normal operation
- Ten years after the initial power up, this alarm will “beep” two times every 30 seconds to indicate that it is time to replace the alarm.
- NOTE: This CO alarm is not battery operated. However, these alarms are equipped with 9 volt battery backup – the 9 volt battery is to supply short term back-up during a power outage.
- Power Source: 120VAC
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