30 Page Databank. 8 letters and 12 numerals per page. Auto-sort function. 13 Language Display. English, Portuguese, Spanish, French, Dutch, Danish, German, Italian, Swedish, Polish, Romanian, Turkish, Russian. 50M Water Resistant. LED Light with Afterglow. 5 Multi-function Alarms with snooze. Countdown Timer. Measuring unit: 1 second. Countdown range: 1 minute to 24 hours. 1/100 second stopwatch. Measuring capacity: 23:59’59.99”. Measuring modes: Elapsed time, split time, 1st-2nd place times. Hourly Time Signal. Auto Calendar (pre-programmed until the year 2039). 12/24 Hour Formats. Accuracy: +/-30 seconds per month. Battery CR2025. Approx. battery life: 10 years. Module 2515.