JS-5509 stopwatch

JS-5509

600 lap & split memory with 1/100 sec ※ Measeure up to 100 hours ※SPLIT or LAP RUNNING CHRONO optional ※ Convertible to decimal stopwatch※Decimal stopwatch timing unit minute、hour and second optional ※ Recall of the fastes, slowest and average lap time ※ memory recall during operation and after reset ※Rowing frequency function  ※Segregated memory ※ Two countdown※Pacer※Temperature measure※Counter※Calendar, clock, and alarm※Water proof※LED backlight ※ Button mute optional ※Battery CR2032