First Alert Battery-Powered Ionization Smoke Detector - Ace Hardware
This Principal Learned Some Students Had Faulty Smoke Detectors While Watching Them Learn at Home. Now the Fire Department Is Helping to Keep Them Safer. - Washingtonian
How to Install Hardwired Smoke Detectors
Need a free smoke detector? It's easy to get | wwltv.com
Where Should Smoke Detectors Be Placed in the Home? - Bob Vila