... ,semi-transparent on transparent film,positive film or reverse film.3.Typical application:Commercial center,supermarket,bank,chain store,hotel,fast ... for wedding photo,large scale exhibition project,movable demonstration show,etc4.Technica of LGP 5.Details of light box 1.Light guidance is ... is easy to change pictures and install conveniently;3.LED light source is used in order to be more energy-saving ...