Best Hardwired Smoke Alarm with Battery Backup – First Alert 9120B Review
The First Alert 9120B Hardwired Smoke Alarm with Battery Backup, 1-Pack is a great choice for any homeowner looking for an affordable and reliable smoke detector. The alarm is hardwired, meaning it can be connected directly to your home’s electrical system, providing you with an added layer of protection against fires. Additionally, the alarm features a battery backup so you don’t have to worry about your smoke detector shutting down in the event of a power outage. With its simple installation process and easy-to-use design, this smoke detector is sure to keep your family safe.