BRK SMI100 battery operated smoke alarm.
- Battery operated alarm allows for easy installation and maintenance.
- Front access battery compartment makes for easy battery replacements.
- End-of-life warning lets you know when it is time to replace the alarm.
Battery: 9V Carbon Zinc
Manufacturer SKU: 1046832
Limited Warranty: 10 Years
Replaces BRK SMI100.





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