Specifications: Case / bezel material: Resin Resin Band Resin Glass / Spherical Glass LED backlight Auto light switch, afterglow Telememo Memory capacity: Up to 25 sets of data, with 8-character name and 15-digit telephone number Others: Remaining memory screen, auto-sort, support of characters of 13 languages (English, Portuguese, Spanish, French, Dutch, Danish, German, Italian, Swedish, Polish, Romanian, Turkish, Russian) Dual time Other: Daylight saving time 8-digit calculator Calculation modes: Arithmetic operations and currency conversion 1/100-second stopwatch Measuring capacity: 23:59'59.99' Measuring modes: Elapsed time, split time, 1st-2nd place times Multi-function alarms 5 independent multi-function alarms (4 one-time alarms and 1 snooze / one-time alarm) Alarm type: Daily alarm, date alarm, 1-month alarm, monthly alarm Hourly time signal Auto-calendar (to year 2099) 12/24-hour format Regular timekeeping: Hour, minutes, seconds, am/pm, year, month, date, day Accuracy: +-30 seconds per month Approx. battery life: 10 years on CR2025 Size of case/total weight: 50.4 X 37.4 X 12 mm/34 g