1) 9xLED light backside;
2) Digital clock in front, alarming function optional;
3) Light body circles left and right with 360 angle;
4) Light body up and down with 180 angle;
5) Powered by 2xD size Batteries(not included);
6) Powered by USB cord which connect to computer USB socket(cord not included);
7) Clock powered by 1xAAA battery(not included);