The RGBW4C IR is a 32-channel RGB RGBW or RGBA LED controller. It was designed to control any standard 3 or 4 channel group of LED fixtures where channel 1 is Red channel 2 is Green channel 3 is Blue and channel 4 is White or Amber. Up to 8 LED fixtures or fixture groups can independently be controlled via four fixture buttons. All LED fixtures or fixture groups must be set to run in DMX mode and be addressed four channels apart for independent control. The units control panel includes 9 direct access Static ColorChase buttons which contain pre-programmed color presets and chase programs 3 user programmable color preset buttons 4 multi function faders that control RGBW intensities on the fly as well as chase program Speed chase program Fade Time and Master Dimmer. There is also an array of 8 buttons used to select the operation mode including RGB Fade Auto Run Color Macro Chase Sound Active Strobe Manual RGBW and Blackout modes. The RGBW4C is one of the simplest and most versatile LED controllers available today. Its ideal for D.J.s nightclubs lounges bars and anyone that wants easy control of LED Pars Bars Floods or Panels.