Digital alarm sets your time instantly. Adjust to the current time zone and calendar, time automatically sets. Daylight saving time resets are no problem, as the clock is programmed to adjust properly. 5 minute snooze alarm and icon indicators. Blue backlight with 1 In. digits. Type: Digital Width: 2.36 In. Height: 2.75 In. Length: 3.93 In. Case Color: Black Dial Color: Blue Power Source: 2 AA Battery - (Not Included) Display Height: 1 In.