dc12v led pixel dot matrix with 12leds(RFF50-12RGBD) 1) For building outline,club 2) can program 3) competitive ... price dc12v led pixel dot matrix with 12leds(RFF50-12RGBD) The concepts of making LED Dot Matrix Display comes from ... advantages.SpecificationConnection Guide dc12v led pixel dot matrix with 12leds(RFF50-12RGBD)