... 1.High quality 2.LED backlit 3.Long useful life. We are a well established ... below materials for your reference!!!Welcome to further understanding!!!Advertising LED lightbox:1. Application: image sign, chain store, ATM, shops, hotel ... , iron stand, import acrylic sheet, inner plank, fluorescent lamp, ballast, wires etc.4. Usage: indoor/outdoor, wall mounted, advertising etc.5 ...