As a Noun:
1. A lamp attached to any device, such as a door-bell, alarm clock, or a machine, that you can set to flash to get your attention it it rings or if something happens. English = flashing alarm.
2. A type of clock with a mechanism that can be set to ring, vibrate or flash a light at a certain time. Used for waking a person up. English = flashing alarm clock.
3.