Mirror Ball kit comes with a 12 black ball, a RGB spotlight & a rotating motor for decoration 12' Disco Ball is covered with black mirror tiles to cast an understated glow for enhancing party atmosphere 2 3/16'x3 13/16' LED spotlight features RGB color with high color rendering The spotlight features aluminum alloy construction for rust resistance & durability Rotating motor features 18 LED beads in 4 colors, along with a sound sensor to catch the rhythm, making the light move along with music