Features: Main functions: Time display¡¢ Temperature display¡¢ Date¡¢ Countdown clock and alarm clock And it?¡¥s screen color can change when you press the screen¡¢ contains 7 different colors For your choice Countdown function: Maximum - 180 minutes 59 seconds; Minimum - one second Calendar year range is 2000 to 2099 The touch sensing LCD screen can display different content with a slight push And with selectable Celsius or Fahrenheit temperature display Powered by 3XAAA batteries (not included). Note:The screen light only lasts several seconds¡¢if you want it lights again¡¢just press the screen. Specifications: </b> Color: White Product dimension: 3.94*2.76*3.82 inches Screen size: 2.36*2.76 inches Package includes:</b> 1 X 7 Color Push Panel Color-Changing LCD Clock 1 X User Manual