... Display ProductLED Crystal Light Box,advertising light box Materialacrylic panels,5-8mm light guide panel(LGP),LED light,reflective film etcShaperound ... , A2, A3, A4, other sizeLight sourceLED lights(light on 2/4 sides)Voltageinput 110-240v,output 6v- ... 12vCharacteristic1.ulrtathin, super light ,beautiful, energy saving,environmental protection2.easy to install, ...