Annic Mini Led Laser Stage Lighting (Blue) Size: 5" x 4.5" x 2" (13 x 11.5 x 5.2cm) It has two modes. Voice activated and auto mode Very easy to use and install. It has a lot of flashing colors and the lights flashing at the rhythm of the music when you add music You can hang it on the ceiling or place it on a table by using the included tripod Perfect for any party, KTV, DISCO, bars, weddings and more occasions