What's the sound of the alarm clock?

1, the traditional mechanical alarm clock uses a buzzer as the sound of the alarm clock, which is relatively high-profile and can attract people's attention.

2. Some alarm clocks use bell as sound signal, which is similar to the sound of ancient clocks and watches, and it is a single bell alarm, a double bell alarm or other changing bell.

3. Some timers that respond to clocks or alarm clocks will tick to describe the sound of water drops falling or the clock swinging.