It features photoelectric and electrochemical sensing technology. This worry-free smoke alarm will automatically activate when it is attached to the mounting bracket; there are no pull-tabs no switches no battery packs to install; everything is automatic. It features Smart Hush technology that silences the alarm for 10 minutes with the simple press of a button. In addition to the sound a red LED on this Kidde smoke alarm flashes to give a visual indication as well. The sealed lithium battery lasts 10 years and never needs replacing. When the time comes simply replace the entire unit.
- Self ActivationAlarm automatically activates when attached to the mounting bracket.
- Alarm MemoryRapidly flashing LED alerts user if the alarm has sounded since the last time the test/reset button was used.
- Test/Hush ButtonTests alarm circuitry and activates Hush features.
- Smart HushTMTemporarily silences nuisance alarms for approximately 10 minutes and will not allow hush mode unless the unit is in alarm mode.
- LED Red LED will blink in conjunction with the alarm sound.
- End of Life WarningAlarm chirps every 30 seconds to indicate the unit is in need of replacement.
- End of Life HushEnd of life indication can be silenced three days at a time up to 30 days to allow for alarm replacement at a more convenient time.