1. Imported ink resistant to pressure,snow,strong UV, 2. Used interal or external 3. Low consumption 4 Recyclable material Main MaterialMetal frame (aluminium, stainless steel or steel) , PMMA acrylic, inner plank, LED, transformer, fluorescent lamp, Lamp ballast ,wires etc..FeatureSilk-screen printing designVacuum sucking model with 3D effectAppliance for internal or externalHigh quality acrylic ...