This radio controlled alarm clock with worldwide radio reception from Braun measures 57 mm x 57 mm x 19.9 mm and is available in three different colors. The black version has an inverted LC display. The travel alarm clock is equipped with a patented high-contrast backlight and a snooze function. The alarm clock has a quick-set function and can be operated in 12- or 24-hour mode. In countries where no radio signal is received, the radio setting can be turned off and the clock can be set manually.Includes 1 Duracell battery LR03 / AAA.The alarm clock won the Red Dot award for product design in 2012.