What s in the Box: American DJ DP-DMX20L 4-Channel DMX Dimmer Pack Description: ADJ s DP-DMX20L is a 4 channel portable and universal DMX dimmer/switch pack. Each channel can individually be set to dim or switch and the pack can function as a one two or four channel device. Using the packs digital display the pack is quick and easy to set up. There are dual Edison sockets supplied so more than one effect can be connected to each channel. There are 16 built in chase sequences with speed and intensity control available for your convenience. This device also has four external channel fuses which allows for quick and easy serviceability while out on the road. Another feature we included was the sleek reversible mounting panel on the rear to make it easier to install. Also for your safety we have a zero crossing circuitry for protection of the transformer loads when switching. Features: 4-Channel Edison Socket Dimmer PackChannels Independently AssignableDimmer & Switch Modes16 Built-In ChasesSpeed & Intensity Settings Per ChasePower Failure Memory Specifications: 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 Adjustable master dim level. Two three prong Edison sockets per channel 3 pin XLR DMX Input & Output Four LED s display channel activity External channel fuses for quick and easy replacement Sleek reversible mounting panel on the rear Zero crossing circuitry for protection of transformer loads when switching 16 built in Chases when in Chase mode with adjustable speed setting Use in conjunction with; DMX Operator Pro Stage Setter-8 Scene Setter-24 & Stage Setter 24 Reversible mounting brackets. Power Input: 120V ~ 60Hz Maximum Load: 6.3A per channel / 15A total Dimensions: 10.25 L x 8.25 W x 3 H Weight: 6 lbs.