30 lap memory stopwatch with START, STOP, RESUME (TIME OUT) or RESET, with CUMULATIVE and LAP SPLIT TIMES. SLEEP MODE (BATTERY SAVING) Other functions: DUAL REPEATING and COUNTDOWN TIMER, PACER, ALARM, DAY DATE. LOW BATTERY INDICATOR. It has a rugged water resistant and shock resistant case. With a 1 year warranty. Stopwatch: Measures up to 9hrs 59mins 59 secs in 1/100ths of a second. Triple display shows: Top display��Cumulative split time to the last split and number of splits taken.� Middle display�Lap time when split time is taken. Lower display�Cumulative running time. 30�cumulative and split times can be stored in memory with fastest, slowest and average�times identified. Cumulative running time is shown in memory review if split times are still being taken during an event. Time out (start, stop, resume) function is also included. Dual Repeating Countdown Timer: Maximum setting 9hr 59min 59sec. Display shows Timer 1 and Timer 2. Alarm sounds at the end of each countdown.�Option to START, STOP, RESUME and RESET the countdown are available. Timer 1 is linked to Timer 2. The display also shows the number of repeats. If timer 1 and timer 2 are set, timer 2 begins when timer 1 reaches zero. When timer 2 ends it restarts timer 1 and works as repeating countdown timers. If timer 1 �is set, then the timer counts down and repeats. Timer 2 is inactive. If timer 2 only is set, then the timer counts down to zero and stops. Timer 1 is inactive. Pacer: Set 10,20,30,40,60,80,120,140,160,200,220, 240, 320 beats per minute�