... and no distortion,energy saving LED light inside 1. double sided light box 1.super-thin,magnetic absorb front,durable ... aluminum alloy frame;2.The thickness of the light box can be 6 to 12 mm ... nice and durable,silver frame (3).All top of frame can be fast opened,easy artwork change ... light box)(6.)The working power is 12v,it is safer.Long lifespan with at least 50,000hours(7).Laser ...