... . 500,000hrs life span Product name: Led Light Boxes, Led Super-thin Light BoxesPlace for usage: supermarkets, shopping mall, stores, shops ... for changing images3. Led backlit or edge lighting panel with super bright leds as light sources4. The Led Light Boxes can ... , 297*420mm, 210*297mm, and customer size is also available.6. Super thin and ultra light weight, easy to carry, hangs on ...