ADJ Products DJ Controller, Multicolor (DP DMX20L) 4 channel DMX Dimmer Pack Digital display- used to set starting DMX address channels and set all other menu options Selectable 1, 2, or 4 channel operation Two three prong Edison sockets per channel Maximum Load: 5A per channel / 15A total Dimensions: 10.25L x 8.25W x 3H Weight: 6 lbs Selectable 1, 2, or 4 channel operation Use in conjunction with;DMX Operator Pro, Stage Setter-8, Scene Setter-24 &amp; Stage Setter 24 3 pin XLR DMX Input &amp; Output External channel fuses for quick and easy replacement Selectable 1, 2, or 4 channel operation Adjustable master dim level. Two three prong Edison sockets per channel Four LEDs display channel activity Sleek reversible mounting panel on the rear Reversible mounting brackets.