Are you looking for a professional, yet affordable stopwatch? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further Our professional stopwatch must meet you needs. It is one of the best choices 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 value up to 1 / 100 seconds, 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