Velleman-192-Channel-DMX-Controller-with-Joystick-Velleman-VDPC174-p-A-fully-functional-48-5cm-19in-rack-mount-controller-The-VDPC174-allows-you-to-program-12-scanners-with-16-DMX-channels-each-30-banks-of-8-programmable-scenes-6-chases-of-240-scenes-and-all-this-by-means-of-8-channel-sliders-a-joystick-and-other-buttons-By-means-of-the-joystick-you-can-easily-and-more-accurately-control-the-movement-of-a-fixture-To-increase-your-ability-to-dazzle-the-audience-this-unit-allows-you-t