高级多时段计时器，主要用于学校上下课的打铃、闹铃，您可以自己设置自己的铃声。

程序包内还附带了2种不同格式的 LED字体文件，均由本人修改而来，请将字体文件复制到系统字体文件夹内，能正常显示，现在拿出来与大家共享。-Advanced multi-period timer, mainly for schools, schools in the fight bell, alarm, you can set up your own ring tones. Inside the package also comes with two kinds of LED font files in different formats by the changes I come, please copy the font file into the Fonts folder the system can display properly, and now out to share with everyone.