Denshine 7 LED Color Changing Digital LCD Thermometer Calendar Alarm Clock There are 7 changing colors for background lights.Calendar of any year from 2000 to 2099 Display time, date, week, temperature by turns. Support the temperature format of Celsius and Fahrenheit demonstration. Count-down time less than 180 minutes and 59 seconds. Timing Alarm : 8 world famous songs. Support the time format of 12-hour and 24-hour.Power: 3 x AAA batteries (not included). Color: Black and silver Screen size:6.5cm*6cm/2.6*2.3Inch Weight:110g