Crystal slim Light box 1,super thin and high transparency 2,lighting:LED 3,long life , ... ,A2,A1 Welcome ! Led light box,crystal slim light box Features of crystal slim light box1.Light source:white ,RGB LED2.low ... .symmetric as diffusion flim4.long life span50000hDiscription of crystal slim light box1.Super SlimThe whole thickness of LED insterted LED lighting panel ...