This Braun global radio controlled travel alarm clock measures 57mm x 57mm x 19.9mm where the grey version has a positive LCD display for increased visibility. It features a snooze function, quick set function for easy use and can be set to 12 or 24 hour mode. The radio controlled function can be switched off and the clock can be manually set for use in those countries where the radio controlled signal is not picked up. Duracell battery included. 2 year warranty.