This item is in beautiful condition, having been stored after only 1-2 uses. All channels have been tested and confirmed using the built-in programs. ■ 4ch Dimmer Pack ■ DMX512 / MIDI control compatible ■ 10 built-in chase programs ■ DMX control channels: 1ch, 2ch, 4ch selectable ■ MIDI mode: 001-128 NOTE number control ■ Chase programs with fade-in and fade-out settings ■ MIDI IN / MIDI THROUGH connectors ■ DMX IN / OUT 3-pin XLR connectors ■ Output: Max 500W per channel, 15A total ■ Size: 20.1 x 10.8 x 7.6 cm, 3.3kg ■ Power: AC100V - 60Hz