... 10bit timing function 4.Stopwatch Hour ,minute, second, year (2000~2049),month, day, week(auto adjust). Selectable 12/24Hformat.Chime every hourDual ... ; 5independent schedule alarms with adjustable Hour, minute, month, and day; distinctive alert signal for each alarm.Countdown timer; Two countdown ... : ≤ 12 mabattery life (10 seconds the alarm once a day, 3 seconds 2, EL light daily): 18 months (Japan)