Sleep timer: set how much time do you want the app to keep backlight on. (can be set from 1 min to 2 hours. )
睡眠计时器：设置某个应用程序保持背光开启的时间长度（可在1分钟至2小时之间设置）。
Dial is digital with EL backlight with afterglow tanning timer.
表盘以EL背光计时器与数字。
Dial is digital with EL backlight with afterglow tanning timer.
表盘以EL背光计时器与数字。
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