1:Certificate--CCC,CE,ROSH 2. Size--A0 A1 A2 A3 A4 A5 A6 3.Shape--Square , round, ... irregular design etc, 4.Halflife span-8000h led module for the light ... 2) light boxes total thickness :2.8-3 .5 CM;3) The light guide plate thickness: 4mm, 6mm ... : the introduction of new dishes, menus, store decoration;3) shopping malls: product promotion, advertising;4) Subway Station ...