Stairville DDC-12 LCD DMX Controller, 12-Channel DMX Controller, With master fader, LCD display with parameter display for all 12 channels and master (0-255), Compact design and easy operation., Power input: DC 9 V (power supply included), Also operates with an optional 9V battery, DMX output: 3-pin XLR, Dimensions (L x H x W): 275 x 54 x 134 mm, Weight: 1.3 kg