10 Year Battery, Water Resistant, LED Light with Afterglow
Dual Time, Daily Alarm, 1/100 second digital stopwatch(Measuring capacity: 23:59'59.99",Measuring modes: Net time, split time, 1st-2nd place times)
Hourly Time Signal, Auto Calendar (pre-programmed until the year 2039)
Accuracy: +/-30 seconds per month, Battery CR2025,Approx. battery life: 10 years
Module 2519, Size of case / total weight: 39.5 x 32.5 x 9.8mm / 52g
