... 3.customized brightness is ok 4.RoHS&CE 5.advertising 2012 hot selling LED adverting LED poster LED display box Brief Description: ... box signsMaterialAluminium framelight guide board, T4 or T5 fluorescent lamp,CCFL or LED strip,diffuser coating, reflective coatingArts and ... welcomeSample sizeA2AuthenticationCE, UL , Rohs, SASOadditional ChoiceT4 or T5 fluorescent lamp, LED strip, CCFL,frame color