Kidde 21010594 i9010 Sealed Lithium Battery Power Smoke Alarm, White (Pack of 36)
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Features :
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, Hush
Will temporarily silence nuisance alarms and will not allow hush mode to be activated unless the unit is in alarm mode