2" Mini Mirror ball is made of real mirrors and can hang anywhere. Point any light on your mirror ball and watch the thousands of mini reflections appear on the wall. The mini mirror ball requires no installation or batteries. Just hang and enjoy!! Hang your mirror ball near a window and watch what happens when the sunlight hits it. Hang the Mini Disco Ball on you car's rear view mirror. It's Awesome. This 2" disco ball features a chrome hanger and 4" metallic cord so you can hang this from anywhere. Long ball chain not included.