Tempus&reg; Wide Profile Wall Clock with 24 Hour Dial and Daylight Saving Time Auto-Adjust Movement, 13.75", Black 13.75 inch commercial Style wall clock Wide profile 2.25 inch deep heavy-duty Black plastic Frame Large Face with easy-to-read numbers and Inner ring of red hour 24 hour numerals Computer chip in movement automatically adjusts clock for daylight saving time Uses one AA battery, not Included