Firex Smoke Detector, Hardwired with nine-V Battery Backup & Front-Load Battery Door, Smoke Alarm, 4-Pack
Includes 4 units ($13.74 /unit)
$54.97 /bundle
Pay $29.97 after $25 OFF your total qualifying purchase upon opening a new card. 
Apply for a Home Depot Consumer Card- Ionization sensing technology detects invisible fire particles
- Hardwire installation; one nine-V, alkaline battery backup
- Protection during power outages and no low battery chirps
How to Get It