Casio Pq-30b-1ef

To ensure visibility in dark environments, the clock display is illuminated by a LED at the push of a button. The daily alarm reminds you of recurring events with an acoustic signal that sounds at the set time. After you stop the alarm signal, it will automatically sound again after a few minutes. The time display can be set to either a 12-hour or 24-hour format. In the 12-hour mode, a "p" in the display indicates the second half of the day, meaning from 12 noon to 11:59 PM.