The nighthawk AC powered plug in carbon monoxide alarm has a digital display for ultimate protection of carbon monoxide. The digital displays show carbon monoxide in PPM allowing you to see if the levels are changing. The sleek design makes this alarm suiteable for all living areas. This alarm has a 7 year warranty.
- Digital display shows level of carbon monoxide the unit is sensing (updates reading every 15 seconds)
- Peak level button displays the peak CO level recorded by the alarm since it was last reset or unplugged
- 9-volt battery backup provides continuous protection even during power outages
- Tamper-resist feature goes into constant alarm mode if unit has been unplugged or has come loose from the outlet
- 7-year end-of-life warning alerts user to replace CO alarm (40 percent longer than other CO alarms)
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