flash lightbox sign 1.low power,no heat/radiate,durabl,thin,vivid ... 2.show idea,promote,unique 3.CE,RoHS,SGS flashing lightbox Sign(CE, RoHS, 0.15-0.5 mm thick, 80 ... pictures. Quite different from traditional advertisement. Your good choice for advertising and exhibition. It is uncontaminated, no harm to the environment ...