... lamp,disco lamp,party light. Ball rotates and lamp shines,Five sizes: 3", 5", 6", 8", 9" disco light,stage lamp,disco lamp, ... party light. Ball rotates and lamp shines,Five sizes: 3 ... dancing hall use. Power on, and music up, the ball will rotate.we can also use in party.for Easter ... s day,christmas day,halloween and other party day. disco lamp