The Chroma-Q Cascade Color Changer is a lighting accessory designed to modify fixture colors through a gel string system. It provides over 300 usable colors with two operational modes: a 1-channel library mode with 100 pre-defined colors and a 2-channel creative mode offering full CMY color mixing. Suitable for fixtures with beam angles up to 50 degrees without light loss, it fits fixtures with apertures up to 178mm (7 inches). The unit features automatic self-calibration, rugged lightweight construction, and a universal mounting plate. With dimensions of 306 x 340 x 100mm and weighing 2.6kg, it operates via DMX-512A control.