The USI SS-770 Ionization Smoke and Fire Alarm has a 9-volt battery that protects your family against deadly threats even in the event of a power outage. The alarm features an audible low battery indicator, a cover to protect against contaminants and an alarm/power test button to ensure that the device is functioning properly.
The alarm is easy to install and it is backed by a 3-year limited warranty.
Don't know what type of smoke alarm is right for your home? Check out our guide on how to choose the right smoke detector for your home.