The Nighthawk 900-0230 battery operated carbon monoxide alarm is an easy to install unit that provides
reliable protection against the dangers of carbon monoxide. Digital display feature adds an advanced
level of protection showing CO levels in PPM allowing you to see if levels change. Written information and
instruction make this unit’s operation easy for anyone to understand. The Nighthawk DC Digital alarm has a
small, sleek design that is suitable for all living areas and has a 10-year limited warranty.
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Digital Display
Displays the level of carbon monoxide the unit is sensing.
The unit updates this reading every 15 seconds. -
Peak Level Button
Displays the peak CO level recorded since
its last reset or power up. -
Test/Reset Button
Tests CO alarm circuit operation and allows
you to immediately silence the alarm. -
End of Life Alarm
Alerts user to replace CO alarm after 10-years of operation.