1.Ultra thin 2.Change graphics easily 3.Frameless acrylic picture frames 4.Edge lit with LEDs 5.Sizes A0, A1, A2, ... change 6: Electric pressure: 100V-240V, AC 12VDC, a transformer for each one, both normal and CE, UL certified transformer are ... let our artists design a custom drawing picture for you.Applications: Crystal Light Box is popular for hotel decorative light box, bar lighting ...