Does the smoke alarm flash a red light?
Most of the smoke alarms have red lights, and they all flash. Usually, it flashes more slowly at work (about 1 minutes to flash), and when a fire alarm is detected, the red light flashes very quickly (a few seconds to flash or faster).
The independent smoke detector flashes red lights when it is reported to the police
Smoke alarms can flash red lights.It's about 15 seconds or so.Just ANN, not long
