... warranty 3,With CE,RoHs,CCC certification Indoor Decoration Led Screen Applications:1,Outdoor:Shopping malls,Department stores,Sports halls, ... 100meters(by cat5 net cable),500meters of muti-mode optical fiber;1000meters of single-mode optical fiberbrightness adjustment 100 levelgrey ... may roll up the pages, shift, rotate, snow flow, screen rolling, glint and more than other 10 types display functions ...