By making use of a timer to manage your time, you can study and perform tasks efficiently.

(Reference:　 Improving Work Efficiency with the Pomodoro Technique　)

While you could use the timer function on a smartphone, when you go to stop the alarm,

you might carry on looking at the phone and ultimately not make progress with your work.

To avoid such situations, it is recommended that you use a dedicated timer.

When studying or working in environments where there are people around, such as libraries or cafes,

however, the sound of operating the timer or of the alarm may disturb others.

There is also the possibility that you may not hear the sound of the timer when working

while listening to music through a pair of earphones.

If you are considering using a timer in such environments, it is recommended you use one with

silent functionality, such as the  AD-5709-E.

Even without an alarm, you can still know when the timer ends by the LCD backlight flashing.

In addition to the countdown feature, there is also a count-up function which can be used as

an alternative to a stopwatch to measure how much time you have focused on work or study.