Digital Stopwatch / Clock / Calendar - (STW25)The Triplett Model STW25 Stopwatch has a timing capacity of 23 hrs, 59 mins, 59. 99 sec and an accuracy of 2 sec day. It features 3 stopwatch modes (Elapsed Timer, Split Time, Two Competitor Timer), 1 100th second resolution, 12 24 hour clock format and a tally counter (up to 3999). Built in calendar displays year, month, date, and day and a backlight (5 seconds) for viewing at night or in dimly lit areas. Includes CR2032 battery and 51" (1. 3m)