The soundscience halo 6 LED lighting makes it easy to outfit your monitor with professional backlighting. Bias lighting adds a subtle white backlight to your monitor, offering optimal picture quality & viewing comfort. Reduce Eye Fatigue When viewing images in a dark environment, significant variation in picture brightness in programs is the leading cause to eye fatigue. Bias lighting remedies this by reducing the necessary range of motion in the iris muscles. Enhance color definition The color & brightness of the LEDs are carefully calibrated to achieve the optimal viewing experience & increase your monitor’s perceived contrast ratio – making blacks blacker & color more vibrant. Requires a free USB (Universal Serial Bus) port for power Unit Dimensions: Cable: 4’3” / 1300 mm Light Strip: 14.6” / 370 mm