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Description
LED Lights - Green for normal operation, Red for alarm, Amber for Error..Digital Display - Displays the level of carbon monoxide the unit is sensing. The unit updates this reading every 15 seconds..10-Year Sealed-in Lithium Batteries -Unit will continue to operate for 10 years. Alerts user to replace unit after 10 years of operation..Peak Level Memory - Displays the highest CO concentration measured since the last reset..Test/Reset -Tests CO alarm circuit operation and allows you to immediately silence the alarm.