GSC International's digital stopwatch comes complete with a battery and a carrying cord. It features hour, minute, second, and calendar display. This is a 24-hour stopwatch with an hourly chime, an alarm, split time and total time functionality, 12- and 24-hour modes, and a 1/100 second chronograph. Suitable for a Coach or Referee in sporting events and for timing motion experiments in a physical science classroom. Includes a button battery 1.55V 6mA. Sold as a case of 100 stopwatches.