The indoor LED Sphere direct control, just plug and play! Each unit can be controlled by DMX-512 or by internal auto, sound, master slave mode. Each model has a 220Volt power-cord and a 3 pin XLR for DMX control. You can choose your DMX address or internal mode with the dipswitches, mounted on the top of each unit. The Ledspheres are available in 3 dimensions: 30cm, 50cm and 100cm.