Hard Wired Inter Connected Smoke Detector, AC Smoke Alarm with DC 9V Backup Battery, ETL-9th Listed Fire Alarm, 2-Packs
Includes 2 units
$38.97
/set ($19.49 /unit)
Save up to $100 on your qualifying purchase 
Apply for a Home Depot Consumer Card- ETL listed, conforms to UL STD 217 9th Ed
- Hardware Interconnection : Up to 12 detectors
- Includes battery backup
Free & Easy Returns In Store or Online
Return this item within 90 days of purchase.
