Function Take Medicine (it is time to have tablets!) Decocting Chinese herbal medicine (it is just takes 30 minutes to decoct Chinese herbal medicine!) Physical exercise-(it is best to run an hour once!) Travel-(the guide said: please assemble here 3 hours later.) Operation instruction ? Key A is ?hour?. ? Key B is ?minute.? ? Key c is ?start /pause?. ? At first, press key A and B to set the time your want. And then press key C to begin to pause (the digits on the LCD do not flash at this moment). If you press key C again, the timer will continue to countdown the remained time. ? When the set time is up, the timer will give out the alarm of ?beep-beep? to remind the user. When the alarm is over, pressing key C will cause the timer to restart timing per the last setting. ? Press key A and B at the same time, the last setting is cancelled. The time can be reset. for more details, pls visit .