Record up to 1000 finish times with memory recall of the previous 50 Features. Multi-mode Stopwatch - Lap, Split, or Dual Split timing modes. 50 dual memory recall of previous readings in ascending or descending order. 1/100 second resolution up to 24 hours. Automatically counts up to 1000 readings. Multi-mode countdown timer - stop, auto-repeat or count-up modes. 1/10 second resolution during countdown. Preset time values from one second to 24 hours. Time of day, alarm, calendar. Completion alarm at conclusion of Countdown time. Shows current lap and split running times. Water Resistant to 30 meters. Break-Away Safety Lanyard helps prevent accidents, promotes safe use.