The Discobeams projects colorful light beams into your dorm room, party room or any room you choose. The light beams dance to the music or sound or it can be switched to the pre-programmed mode. You can hang on the wall or mount to the ceiling (mounting screws included). The light source is LED (energy saving and long life) and it is operated by a UL/cUL adaptor with a 12" cord (included).