http://www.kwoff.com/story.php?title=led-strip-lighting-led-strip Most of our LED Strips are available in "million color". Groups of Red, Blue, and Green LEDs can combine at varying brightness intensities to produce a smooth fade through the full color spectrum. Unlike the single color strips which use just 2 wires (a power and a ground), the million color strips use 4 wires (3 for each of the colors, and 1 for either a common power or ground). These 4 wires are... Thu, 26 Apr 2012 05:52:05 EST en