Single display large digit stopwatch with cumulative split times, time out and time of day with alarm. Rear battery hatch for easy battery change. Supplied with sturdy orange lanyard.Mode A:Stopwatch: The stopwatch counts 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.