| Hardwired Combo Alarm | Hardwired Combo + Voice | Battery Combo Alarm | Battery Combo + Voice | Smart Smoke Alarm |
Power Source
|
Hardwired; 2 AA Battery Backup
|
Hardwired; 2 AA Battery Backup
|
2 AA Batteries (Included)
|
2 AA Batteries (Included)
|
Hardwired;10-Yr Battery Backup
|
Real-Time App Notifications
|
—
|
—
|
—
|
—
|
✔
|
Free App for iOS or Android
|
—
|
—
|
—
|
—
|
✔
|