Ideal for bedrooms with 10-year sealed lithium battery and talking voice alarm
- Hassle-free protection - Goodbye late night low battery chirps! Never replace a battery during the alarm’s operating life and no need to worry about the batteries being removed.
- Always on - Sealed-in lithium battery powers alarm for 10 years - the life of the alarm.
- Save money - Save up to $40 over the life of the alarm (battery costs).
- Part # - 21009661
The right alarm, the right location. - Each of the four smoke alarms includes features designed to address location-specific safety needs, such as an LED light in the hallway.