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- Battery Operated – Provides best protection during power outages
- Digital Display – Shows CO level in PPM (parts per million). Updates digital reading every 15 seconds allowing you to see if levels change
- Peak Level Memory – Displays the highest CO concentration measured since the last reset
- Test/Reset Button – Tests CO alarm circuit operation and allows you to immediately silence the alarm
- Low Battery Signal – Alerts user when the batteries need to be replaced
- Slide-Out Battery Door Cover – Gives immediate access to batteries
- Battery Safeguard – Makes it difficult to close the cover without batteries in the unit
$40.51