Kidde 10 Year Battery Ionization Smoke Alarm I1040

Sealed-In Lithium Battery – Sealed-in lithium power supply; no battery replacement required over the 10-year life of the alarm. Eliminates worry about battery removal or unauthorized deactivation of alarm. Self-Activation – Alarm automatically activates when attached to the mounting bracket. Alarm Memory – Rapidly flashing LED alerts user if the alarm has sounded since the last time the test/reset button was used. Hush Feature – Will temporarily silence nuisance alarms and will not allow Hush mode to be activated unless the unit is in alarm mode. Test/Hush Button – Tests unit’s circuit operation and resets memory after an alarm condition occurs. LED – A flashing red indicator light with four modes of operation: standby, alarm mode, Hush mode, and memory set.