Worldtime calendar, 24 cities time display by circling dial 24 famous melody Perpetual calendar (1900-2099) Temperature display (deg Celsius/Fahrenheit) 2 alarms (Bi-Bi or melody) Count-down timer 10-digit calculator Currency exchange function Sunlight snooze function 2 x AAA batteries (not included) Unit size: 120 (L) x 120 (W) x 38mm (H)