Watch Kids Boys Digital Sports LED Waterproof Watch with Calendar Alarm;

Operation guide :
LIGHT( A ),MODE( B ),RESET( C ),START(D)
Alarm Settings
In normal mode, press B twice, The 'Hour' starts to flash, press D to set the hour for alarm.
Press C once, the 'Minute' starts to flash, press D to set the minute for alarm
Press B to exit the setting screen.
NOTES :The alarm sounds for about 60 seconds, to stop the alarm tone after it starts to sound, press D.
When setting the alarm time using the 12hour format, take care to set the time correctly as a.m.or p.m

Turn on/off the alarm
In normal mode, press C and D together, when the light around alarm flash, it means the alarm turns on; Press C and D together again, the light disappears, the alarm turns off.

Set the time/Date/Week
In normal mode, press B three times, then:
press C once, the "minute" flash, press D to set the minute;
Press C once again, the "Hour" flash, press D to set the hour ( press D several time to toggle the 12/24-Hour Format );
Press C once again, the "Day"flash, Press D to set the day;
Press C once again, the "Month" flash, press D to set the month;
Press C once again, the "Week"flash, Press D to set the week;
Press B to exit the setting screen.

you can also watch an operation video on Youtube :https://www.youtube.com/watch?v=5Du_uKEVcjw