The Fastime 0 is a triple mode single display stopwatch and is good for non critical single event timing where cumulative split times are required. Features include - Mode A: Stopwatch: The stopwatch can count up to 24 hours. Timing to 1/100th sec for the first 30 minutes. Then in 1 second intervals. With START, STOP, (TIME OUT) RESUME or RESET function and CUMULATIVE SPLIT TIME function. ONE / TWO FAST FINISH: Press the split button to take the time of competitor 1. Press the stop button then the split button to show the time of competitor 2. Mode B: Time of day Mode C: Alarm Set: Use this function to set the alarm.