Ultra slim and light, high brightness and contrast, simple and special design for easy accessibility and maintenance. Toolless design, makes the installation easy and convenient. High brightness and contrast, assure you an outdoor use. Ultra slim and light, even one man, can build up a display quickly. No loose off screw, fast for hanging. Quick-knock system, save your working time. Fix the cable with cabinet, no need to take lots of wires everywhere. Backdoor opened in vertical way,all the components are installed inside, easy for maintainance.