... is ok Crystla Led Light box specification:Clear same as crystal!!!!!!!(1) Normal Size: A4,A3, A2, A1,A0, OR 40 ... brand Cyrstal Led light box, High quality and competitive price. · Material: high quality acrylic.( Made in china or Japan).· Voltage :12V ... adaptor and DC battery two ways· Frame: Acylic and Aluminium material.· Working hour : 50,000 hours+· Thickness: 8mm,10mm or other ...