Accuon Large Atomic Radio-controlled Self-setting Digital Wall Clock with Indoor Temperature Large and easy to read 7.5 x 4 inch display screen with a digit height of 3.6 inches. Clock size 9 x 5.75 inches. Self time setting using radio frequencies broadcasted from Atomic Clock. 12 or 24 Hour Display Formats, perpetual calendar with Indoor Temperature Display in Celsius or Fahrenheit. 4 Time Zones with option to turn on or off Daylight Savings Time. Wall-Mountable and fold-able stand for desktop. Operates on 2 AA-Size batteries (batteries included).