Hardwired Interconnected Photoelectric Smoke Detector Alarm with Dualink and Battery Backup
$37.4
($37.40 /unit)
Pay $12.40 after $25 OFF your total qualifying purchase upon opening a new card. 
Apply for a Home Depot Consumer Card- Battery backup for uninterrupted protection during power outages
- Self-test and low battery indicator allow easy maintenance
- UL-listed for safe and smooth use
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