1.Display of perpetual calendar from 2000 to 2099, date, week)2.Time shift between 12-hour and 24-hour3.Thermometer diplay between Celsius and Fahrenheit (0-50, 32F-122F)4.Timed music appreciation with 6 optional natural music and colorful variance(time:10mins, 20mins, 30mins, 40mins, 50mins, 1hour)5.colorful backlight is beautiful6.Timer countdown from 23:59:59 to 00:00:00.7.alarm clock snooze function with 6 different natural music rhythm.8.powered by 3 x AAA battery