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LED light
Selectable illumination duration, afterglow
Multi Time (4 different cities)
World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping
Countdown timer
Alarms - 5 independent alarms (one-time or daily)
Hourly time signal
Full auto-calendar (to year 2099)
12/24-hour format
Button operation tone on/off
Regular timekeeping
Digital: Hour, minute, second, pm, month, date, day
Accuracy: ±30 seconds per month
Approx. battery life: 10 years on CR2025
Size of case/total weight AE-1000W : 48.1 X 43.7 X 13.7 mm 96 g