1. Clock/alarm function, alarm mode: buzzer or radio;
2. Snooze function 
3. Temperature C/F switch; 
4. 12/24 hour display 
5. Projection function, the projection screen will rotate 180 degrees , Adjustable by turning the projection wheel: front 90 degrees, rear 90 degrees.
6. The brightness of the projection can be adjusted in three levels-off, dim and bright. (The default is slightly bright). Note: There is no projection function in battery mode
7. FM radio function 
8. Clock display three-level brightness adjustment
9. Indoor temperature display
10. Indoor humidity display
11. Clock color (red, blue, white) three colors, free adjustment
12. Product material: ABS plastic shell
13. Output power: 5v 100mA
14. Power supply: USB/DC power cord
15. Working voltage: 5V 1A
16. Product size: 18.5x8.7x6cm