Chauvet DJ Freedom Stick X4This 4 pack of 100% wireless lighting creativity will infuse any event with dazzling visual excitement. Freedom Stick X4 is bundle of four unique and versatile free standing LED array lights. Battery powered and loaded with a wireless D fi transceiver, Freedom Stick units are virtually unlimited in their use. But thats just the start of Freedom Stick flexibility. This pack also includes four slip on frosted tubes for two completely different looks.