A4,A3,A2,A1,A0 led menu light box 1.Any size can be customized 2.Snap frame can ... and show the best effect of your products2.Ultra-thin and LED as light source,high brightness3.Long life span:more than 20 ... can be opened to change the images easily and ultra-thin aluminium frameApplication1.fast-food restaurant.2.chain-stores.3.indoor ... to change the posterBack side A4,A3,A2,A1,A0 led menu light box