Features
* 900-0076, KN-COPP-3
* 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 by the alarm since it was last reset or unplugged.
* 9V Battery Back-up Provides protection during power outage.
* Test Button Functions Tests the unit for proper operation Resets the Carbon Monoxide alarm
* LED Operation Blinking dot in lower right corner of display denotes normal operation Digital readout displays CO concentration in parts per million (30-900PPM) In alarm condition you will hear 4 quick beeps, 5 seconds off, repeat. *Based on accuracy claims of major manufacturers NIGHTHAWK TECHNOLOGY Worlds Most Accurate Carbon Monoxide Alarm*
* Digital Display Displays the level of carbon monoxide the unit is sensing. The unit updates this reading every 15 seconds. Test/Reset Button Tests unit's electronic circuitry and horn and resets the unit during alarm. Peak Level Button Displays the peak CO level recorded by the alarm since it was last reset or unplugged.
* 9V Battery Back-Up Provides protection during a power outage.
* Alerts user to replace CO alarm after 7 years of operation
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