Are you looking for a professional, yet stopwatch? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? , ! Our professional stopwatch must meet you needs. It is one of the for you. Features - Color: Black. - Size: 7.5 x 6.2 x 2.1 cm. - Material: ABS. - The power can be turned off and the clock does not need to be reset. - The stopwatch 3 lines display, segmented storage, accurate to 1 / , the longest time is 9 hours 59 minutes 59 seconds. - With statistical countdown function and number of functions, quickly turn the alarm on/off. - The beat frequency can be selected 5 times / minute - 320 times / minute (5 times a few times) and has a timing function. - Time calendar function: display year, month, day, hour, minute, second, week Package list: 1 x stopwatch