Hardwired Interconnected Smoke Detector, AC Smoke Alarm with DC 9V Backup Battery, ETL-9th Listed Fire Alarm, 4 Packs
Includes 4 units
$76.97
/set ($19.24 /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.
