The Chauvet DMX-4LED 4-Channel Dimmer Pack is a rugged dimmer/relay unit with up to 4-channels of DMX assignable and non-DMX control. Independently switch and dim fixtures and lighting effects. Each of the 4 sets of outlets (duplex) can be set to any DMX address and independently set as a dimmer or relay. In addition, the DMX-4LED features 16 user selectable chase patterns built in. 4-channel dimmer/switch pack optimized for use with small LED fixtures Each channel can be set to any DMX address which makes it extremely easy to program Each channel can be individually set as a dimmer or a switch which offers great flexibility 4 duplex outlets allow up to 8 devices to be controlled simultaneously Separate LED indicators clearly show the status of each channel Easy-access to built-in automated programs generate a synchronized show Automated programs have adjustable speeds and dimmer levels which offer great control without DMX Control Data input: locking 3-pin XLR female socket Data output: locking 3-pin XLR male socketData pin configuration: Pin 1 shield, pin 2 (-), pin 3 (+) Protocol: DMX-512 USITTDMX Channels (user-configurable): 1, 2, 4 Temperature Maximum ambient temperature: 104° F (40° C) Indoor use only Power Supply Power output: 5A per channel, 15A max AC power: Autoswitching 100-240VAC 50/60Hz Dimensions (LxWxH) 8.3 x 7.7 x 2.8" (210 x 194 x 70mm) Weight 5 lbs (2.2 kg)