Leviton D4DMX-MD3 4-Channel Programmable Dimmer Pack Integrating Stand-Alone, 3-Pin DMX 15A Power Cord Bright LED display for easy, menu-driven programming Versatile output channel selector lets you choose the exact number of channels you need Clear operation instructions printed on back of unit for ease of use Available with DMX on 3-pin (D4DMX-MD3) or 5-pin (D4DMX-MD5) XLR receptacles Data "in" and "out" provided for easy daisy-chaining of devices