Remove the battery. Press and hold the test button. Reinstall the battery. It will chirp once when it reconnects to power. We ...

Everybody should have a few smoke alarms in their house, and everyone should go check the battery in their smoke alarm right now. That said, there are a few downsides to the traditional smoke alarm.

"To keep everyone safe, we urge all New Yorkers to check their smoke alarms and carbon monoxide detectors every month. Alarm batteries in older detectors without a long-life battery should be ...