... world time alarm clock calendar calculator: 1.2 set of clock alarm; 2.World time display; 3.8 digits calculator; world time alarm clock calendar calculator ... date from 2001 to 2199,12h/24h mode;2, Alarm clock, can set alarm twice,3, 8 digits calculator, with Four Arithmetic Operations ... , Countdown function within 100h;5.Currency translation;6, Slider design, pull for use, and push to close rubber keys; ...