1 Second-24 hours positive countdown with clock memory function two sets of Countdown function.

2: with sound, it can be turned on and off (that is, it can be muted). Operation: press the "zero key" in the time mode to switch the sound.

3: with the function of turning off and starting up, press the "start/stop key" for 3 seconds in the time mode to turn off, press any key to turn on. The settings in the turning off and starting up will not be cleared.

4: with daily alarm clock function, the alarm clock can be turned on and off.

5: The countdown of the two groups has the memory function of the last setting.