o 10 Year Battery o 50M Water Resistant o LED Light with Afterglow o Dual Time o Multi-function Alarm with Snooze o 1/100 second digital stopwatch o Measuring capacity: 23:59'59.99" o Measuring modes: Elapsed time, split time, 1st-2nd place times o Hourly Time Signal o Auto Calendar (pre-programmed until the year 2099) o 12/24 Hour Formats o Accuracy: /-30 seconds per month o Battery CR2025 o Approx. battery life: 10 years o Module 2499 o Size of case / total weight o 37.0 x 34.0 x 11.0mm / 30g