HOMVILLA 8808 Manual Del Usuario página 12

You can press any button on the back of the alarm clock to exit snooze mode and
stop the alarm.
Adjust Screen Brightness
 Manual adjustment
Touch the "SNOOZE/LIGHT" button to adjust the screen brightness. There are 4
levels of brightness.
 Automatic adjustment
If you use USB powered mode, the alarm clock will automatically adjust the screen
brightness at different times. It automatically adjust to high brightness from 7:00-
19:00, adjust to medium brightness from 19:00-0:00, and adjust to low brightness
from 0:00-7:00. During this time, you can still manually adjust the screen brightness
by touching the "SNOOZE/LIGHT" button.