2-Piece Multi-Function Electronic Timer, Kitchen Timer, Learning Management Timer, Suitable for Kitchen Study Work Exercise Training (Not Including Battery)

OverviewPress S or M Button to set the second or minute. Press ST/SP button to start/stop the timer.Press M button + S button at the same time will RESET the time to 00:00.Countup Function: when time on 00:00, press ST/SP button, will count from 00:00 >> 00:01 >> 00:02...CountDown Function: after set required time, such as 99:59, press ST/SP button, will count from 99:59 >> 99:58 >> 99:57... When Countdown finished, the Timer will ring "Didididi....Didididi..." to remind you. Press any button to stop the ringing.