This Braun global radio controlled travel alarm clock measures 2.25” square x .75” deep. The black and white versions have a reverse LCD display, whereas the grey version has a positive LCD display for increased visibility. Both versions have a patented high visibility backlight and a snooze function. The clock has a quick set function for easy use and can be set to 12 or 24-hour mode. Duracell battery included. 2-year warranty. This clock won the Red dot award for product design 2012.