If a sound accompanies your smoke detector's flashing red light, however, it may mean that immediate action needs to be taken. The reasons for this can vary depending on your brand of smoke detector.

The X-Sense SC01 features a 10-year lithium battery, carbon monoxide detector, and a color-changing LED to let you know its current status.

Michael Gendek had a sense of relief Saturday as volunteers updated the smoke detectors in his family’s second-story Jeannette apartment. Since the family moved into the Harrison Avenue rental ...