Approx. battery life: 2 years on CR1620
Hourly time signals
Low battery warning
Regular timekeeping
Hour, minutes, seconds, am/pm, year, month, date, day
Auto-calendar (to year 2099)
Duplex LCD
e-Data Memory - Memory capacity:Up to 100 records for internet access codes and other data, (actual number of records depends on the number of characters per record). Other: Password
World Time 29 time zones (30 cities), city code display, daylight saving on/off