... . 500,000hrs life span Product name: Led Light Boxes, Led Super-thin Light Boxes Place for usage: supermarkets, shopping mall, stores, shops ... -friendly, LED light boxes consume less energy than traditional light panels, and last five times longer! Simple-to-use snap frames ... *420mm, 210*297mm, and customer size is also available.6. Super thin and ultra light weight, easy to carry, hangs on the ...