10 Year Worry-Free Sealed Battery Micro 4 in. Smoke Detector with Ionization Sensor (3-Pack) 21028836
Includes 3 units
$39.97
($13.32 /unit)
Pay $14.97 after $25 OFF your total qualifying purchase upon opening a new card. 
Apply for a Home Depot Consumer Card- Battery operated smoke detector; no hardwiring required
- 10-year lithium battery lasts the life of the alarm
- Automatically activates when attached to mounting bracket
Free & Easy Returns In Store or Online
Return this item within 90 days of purchase.
