Battery-powered smoke detectors easily detach from a wall plate so you can access a panel on the back to change the battery ... to your security system and alert emergency services when there ...

The new First Alert Smart Smoke & CO Alarms will cost $129.99 and will be available in hardwired or battery-powered options ... may need to replace theirs soon. Park says they were designed ...

Q: About 10 years ago, I replaced the original wired smoke ... wired alarms can interconnect. That’s outdated advice, too. First Alert and Kidde both make bridge units that allow a battery ...

If your detectors are broken or very old, you should take the time to replace them ... s a fire. The First Alert SA511CN2-3ST hits all the basic marks we look for in a smoke detector.