1 - Projection Area
2 - DOWN: Decrease the setting value
3 - UP: Increase the setting value
4 - PROJECT: Turn on projection; Adjust projection brightness
5 - SNOOZE/LIGHT: Start snoozing when the alarm rings; Adjust the brightness of the LED screen
6 - AL: Turn on/off the alarm clock; set the alarm clock parameters
7 - SET: Short press to switch the display mode; long press to open the setting
8 - Time: Backup memory battery(Included)
9 - Power: DC 5V