One Kanji Clock

This clock displays kanji characters for your enjoyment.
Kanji characters are displayed one at a time in random, and change over as time passes.
The size of the characters can be changed in three levels. 
The length of the switching time can be adjusted.
Hiragana and English can also be displayed. 
There are more than 700 kanji in the database.
The number is small at first, but it will gradually increase.
You can also choose your favorite kanji to display.
You can choose from 20 different backgrounds.
A time signal can be set to sound at 0 minutes. 
You can choose from 78 different sounds for the time signal.