... ultra-thin, waterproof advantages. Mainly used for advertising light box backlighting, signs. Especially suitable for metro,stations, airports ... Main Material: Aluminum, Modified Epoxy, LEDDimensions (W x L): 30CM, 40CM,50CM,60CMHeight (thickness) : ≤3.5mmOperating ... application:Apply to lighting, backlight application,advertising light box, billboard,poster,signboard,memu display....Direct replacement ...