Test / Reset Button – Tests the unit for proper operation. Resets the carbon monoxide alarm.
Tamper Resist Feature – If activated, unit goes into constant alarm mode if it has been unplugged or has come loose from the outlet.
Low Battery Hush – Silences low battery chirp warning for up to twelve hours in order to maintain protection without having to replace the batteries at an inconvenient time. 2 AA Battery Backup – Provides continuous protection in case of a power failure.
AC Plug-in Operated – Easy to install – just plug into a non-switched AC wall outlet.
End of Life Notification – Ten (10) years after unit is first powered, this alarm will chirp two times every 30 seconds to indicate it is time to replace the alarm.