Introduction - If you have any usage issues, please Google them yourself
Features:(1) digital clock (2) digital stopwatch (3) adjust the time (4) alarm settings (5) date set. The overall design concept: the date,clock, stopwatch and alarm functions to achieve separation.Select a date mode,only displays year,month,day. Select the clock mode, only display hours,minutes,seconds. Select stopwatch mode,only show seconds,milliseconds. Select alarm mode,display too,minutes,seconds,plus an additional alarm.