• 10-Year Sealed Lithium Battery – Eliminates the need to replace the battery. No battery to replace for the life of the alarm (10 years).
• Test/Reset Button – Tests the unit for proper operation. Resets the carbon monoxide alarm.
• End of Life Notification – Ten (10) years after unit is first powered, this alarm will emit two beeps every 30 seconds to indicate it is time to replace the alarm.
• Event Memory – Red LED flashes every 60 seconds to alert that a high level of carbon monoxide has been detected within the last 14 days.