Check the listing for details. Professional Sport Stopwatch Timer 100 Lap Memory 0.01 Second Timing Green. Condition: New. Listed at 23.34 USD. Professional Stopwatch Function This digital silent stop watch has two sets of record memory, each set has 100 records, and the unit is 1/100 second. 0.01 second accuracy, up to 9 hours, 59 minutes and 59 seconds, you can check the fastest/slowest, average score, segment area/segment point/total score.Countdown Timer & Metronome FunctionOur sport stopwatch timer can be used as a countdown timer, Press the "MODE" button to enter into the countdown timer mode ("TR" is displayed on the upper left corner). When the timer reaches zero, there will be a "di" sound, press "STOP" to stop. Metronome Frequency from 5 to 320 times per minute. If you choose 5 frequency, there will be 5 "di" sound per minute. Frequency beat data will not be preserved if leaving the frequency metronome.