... . Popular for beer advertisement 4. low power Scrolling Light Box, BillBoard Advertising with Alunimium or Steel frame Specification: ProductScrolling ... -51, SPDE-76, SPDE-120Light Source: T8 fluorescent tubesOthers: micro-control circuitry board, roller, wire, plug, etc.DurableIndoor or outdoor ... supermarket, hotel, restaurant, bank, exhibition hall, etc. el light box, cable light frames, el panel