The American Lighting INLINE-RGBW-CTRL In-Line controller changes the settings on your tape light system and used with RGBW Trulux Tape Lights. The Simple Select in-line Controller features an easy to install and use design that allows for simple on/off and dimming control, to dynamic color control without the hassel of overly complex control systems. With built-in presets and the ability to create your own scenes, the RGBW controllers offer limitless possibilities for your space. Adjust brightness, speed, and even synchronize patterns.