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First Alert > 
Item#: 9SIA2M013R7146

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The First Alert tamperproof lithium powered alarm is the only one available proven to last at least 10 years without needing to replace power source. 10-year lithium power cells and tamper proof design meet code regulations where required. Mute feature silences nuisance alarms from cooking smoke or shower steam. Single button also tests alarm functions. Easy access battery drawer: no need to remove alarm from ceiling to change battery. 10-year limited warranty. Meets UL standards.

Learn more about the First Alert SA340CN


First Alert




Selling Unit


* Ionization sensing chamber

* Sealed 10 year lithium battery powercell with tamperproof design

* Solid-state Piezo Horn Rated at 85dB at 10'

* Visual Red LED power-on indicator to confirm unit is receiving power

* Single button Test and silence feature

* Replaces SA10YR product

* White
Warranty, Returns, And Additional Information

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