Versatile Multiform DMX Dimmer Pack, with built-in patterns and numerous features. Use it for straight dimming with DMX control, or stand-alone with a full range of on-board functions, including: External DMX or stand-alone mode with 4 Rotary controls for dimming (direct access). Every channel can be altered to work as a switch only. Optional linear or logarithmic dimmer curve. Selectable pre-heat function for every channel.