Functions: 1) perpetual calendar;2) 8 digital calculator;3) currency exchange conversion;4) thermometer temperature display;5) 16 world cities time display;6) alarm clock and keytone;Specification: 11x7.5x0.9 cmPacking: 100 pcs/ctnG.w.: 10.35 kgsCarton size: 42x21.5x26 cm