View how much time remains in an activity or event with a quick glance! The easiest to use anyone can use it, for error-free timekeeping. Simply input the time in minutes and seconds, press a button; the SC-502 will count down to zero and sound a loud completion alarm. One touch silences the alarm and resets the timer. You may stop and restart the timer as often as necessary. Extra-large digital display, 1-year factory warranty.