... 3:CE&ROHS certification 4:can display video,flash,word,picture led light floor1.No gap ... connecting design.2.Adopted SMD LED to be light source , pitch: 25 or ... display various lighting effects, words, graphic, flash and video .Speicification :ItemParameterType No.COL-DF-25BDimension ... GradeCLASSE IILight transmittance≤98%Controlling SystemLED FLASH Computer Control System / DMX512 Controller / ...